122 Answered Questions for the topic Triangle

09/20/17

Angles of triangles
One angle of a triangle measures 76∘ more than the smallest, while a third angle is twice the smallest. Find the measure of each angle.
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09/20/17

side of Triangle
One side of triangle is 5 more than 2 times the shortest side. The third side is 9 feet more than the shortest side. The perimeter is 50. Find all three sides.
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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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