119 Answered Questions for the topic Triangle

Triangle Geometry

09/07/17

If ABC is an isosceles triangle and 60 < A < 90 ,then show that c < a< root 2 ×c .
Detail of figure - draw a triangle ABC with length AB = c ,length AC = b ,length BC = a ,show in the figure drawn .     Solve this stepwise solution with figure  Inequalities in a... more
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08/27/17

One angle of a triangle measures 4 more degrees than 3 the measure of the 2nd angle. The 3rd angle is 40 degrees. What are the measures of the unknown angles?
I do not understand how to set up or solve this equation
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Triangle Algebra

08/13/17

The perimeter of triangle ABC is 54. The triangle has side lengths AB=3x, BC=4x, and AC=5x. Find the length of each side.
The perimeter of triangle ABC is 54. The triangle has
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08/08/17

Geometry related doubt
If ABC is a triangle and D and E are points on AC and AB. BD and CF intersect at F. Areas of FBE, BFC and FDC is 10,20 and 16, find the area of AEFD  
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08/07/17

ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove that $cos(A)*cos(c)=2*(c^2-a^2)/3$
ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove thatcos(A)⋅cos(C)=2(c^2−a^2)/3ac
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Triangle Maths

07/17/17

Choosing a method for solving a triangle
Two ships sailed from Point A at the same time. One sailed 28 nautical miles due east in 4 hours and the other sailed 36 nautical miles in the same time on a bearing of 158ºT. Find the distance... more
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Triangle Angles

03/20/17

Find the Angle the ramp is to be built
A ramp needs to be built to reach a 5 foot high loading dock. The ramp starts 50 feet from the end of the dock. Find the angle the ramp is to be built at? 
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01/18/17

Geometry word problem
 A giant California redwood tree 36 m tall craft in a violent storm and fell as if hinged. The tip of the ones beautiful tree hit the ground 24 m from the base. Researcher redwoods wishes to... more
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01/09/17

Word Problem
Jack, John and Josh all went camping together, but each one took a separate tent. The paths between the tents form the sides of a right triangle. If Jack's tent is 20 feet from Josh's and the angle... more
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Triangle Law Of Cosines

01/07/17

Help? (find the missing side)
Find the missing side of the triangle below. Estimate answer to one decimal place.          A          b =4        C          x x x x x x x x           x 60°          x            x          ... more
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Triangle Angle

01/06/17

Help with finding a missing angle
Find the missing angle below. Estimate your answers to one decimal place.                 C              ^              |  \         9.6 |     \              |_____\            D   14.4  ... more
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Triangle

01/05/17

in a triangle given that angle a -angle b =33 and angle b-angle c = 15 .find the measures of all angles
Answer urgent 
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Triangle

01/01/17

Let ABC be an isosceles triangle with AB=AC.Suppose that the bisector of angleB meets AC at D and that BC=AD+BD.Determine angleA
I found this question in a math olympiad question.BUT STILL DON'T KNOW HOW TO SOLVE
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12/22/16

Vertex distance from the center of a triangle.
I'm working on writing a program to draw a triangle based on whatever input is given to it, and I have run into a snag. Given the angles of the vertices of a triangle, and the length of the longest... more
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Triangle

11/28/16

The base of a triangle is 22 cm shorter than the altitude. The area of the triangle is 180180 sq cm. Find the lengths of the base and altitude.
The base of a triangle is 22 cm shorter than the altitude. The area of the triangle is 180180 sq cm. Find the lengths of the base and altitude.
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09/30/16

Triangle problems
A right triangle has angles which measure 30,60 and 90 degrees. If the perimeter of this triangle is 15+5*3^(1÷2). Then the length of the hypotenuse of this triangle is= ?
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09/24/16

True or False: If in triangle ABC, (AB)^2 + (BC)^2 = (AC)^2, then triangle ABC is a right triangle
It is a true or false question
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Triangle Algebra 1 Geometry

09/15/16

what is the height of a traingle that has an area of 24cm and a base with a length of 6cm? Write the formula in terms of height. Use the formula to find height.
what is the height of a traingle that has an area of 24cm and a base with a length of 6cm? Write the formula in terms of height. Use the formula to find height.
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Triangle Geometry Median Area

07/17/16

Need help with Triangle Area Problems
Hello, I need help with the following two questions:1)Construct triangle ABC such that BC is of length 1 centimetre, A=100degrees, B=60degrees, C=20degrees. Let D be the midpoint of AC and let E be... more
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Triangle Angles

06/26/16

Given the following conditions, describe how to determine whether or not a unique triangle is formed.
Side: 5 cm Side: 6 cm Non-included angle: 30 degrees
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06/10/16

Equilateral triangle
An equilateral triangle DEF has sides of x cm and height h cm. show that the area of ΔDEF is ((√3)/4)x^2 cm^2   Please show the full working. 
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06/10/16

Need help for this question (important!)
a rare stamp in the shape of an equilateral triangle FGH has sides of 2cm. find the perpendicular distance from F to GH.    please show the full working and answers. 
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06/10/16

Pythagoras Theorem
In the figure, PQ=13cm, PR=12cm, PS=18cm and PR and QR are perpendicular to QS and PS respectively. Calculate the length of QS. (P is at the top point of the triangle, Q is at the bottom left and... more
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Triangle

06/08/16

Two angles of a triangle have the same measure and the third one is 39 degrees greater than the measure of each of the other two. Find the measure of the LARGES
Two angles of a triangle have the same measure and the third one is 39 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.
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Triangle Trigonometry

05/31/16

Trying to find theta in a right triangle
There is a right triangle, ΔABC, where ∠C is the right angle, making AB the hypotenuse. There is altitude CD drawn to the hypotenuse, thus forming ΔACD and ΔCBD, similar to each other and the... more
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