303 Answered Questions for the topic triangles

Triangles Trigonometry Maths Trig

11/15/15

Hi. Please help me solve this question.
1) A flying doctor plane flies from its base (B), in a direction of 072degreesT for 80km to reach an outback station (S). From there, the flying doctor travels in a direction 162degreesT for... more
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11/11/15

Solve for every possible triangle. a=7 b=8 c=9
would someone be able to help me
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11/05/15

geometry side restriction of x
Triangle ABC: side AB: not given. Side BC: x+10. Side AC: 2x+4. Angles: Angle A is greater than Angle B. What are the restrictions on x?
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11/04/15

area of triangle w/ algebra
how do you find the angle of a triangle with sides (6u-1) and (1u) and an area of 5cm^2 ?      there was a question like this in a test i did but i couldn't work out the answer.. help?
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11/03/15

Find the shorter leg of right triangle ABC.
Right triangle ABC is similar to right triangle DEF, which is a 3-4-5 triangle. If the hypotenuse of right triangle ABC is the square root of 5, find the shorter leg of right triangle ABC.
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10/25/15

This is an open question so there are no answers in the textbook, is there any methodical solution that is not trial and error? Please keep it simple!
An engineer designs a slide for a playground. As shown in the diagram, the slide AB is 20 cm long. Angle ACB is 90°. The gradient of the slide is required to be greater than 1/2 but less than 1.... more
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Triangles Width Dimensions Length

10/08/15

The length of a triangle is 5cm less than 3 times it's width. If the perimeter of the rectangle is 46cm, find the dimensions of the rectangle.
Show in equation form how to solve this story problem, please.
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Triangles Perimeter Ratio Sides

09/30/15

The sides of a triangle are in a ratio of 3:5:6. If the perimeter is 98, what is the length of the SHORTEST side?
The sides of a triangle are in a ratio of 3:5:6. If the perimeter is 98, what is the length of the SHORTEST side?   Thank you in advance! This question fumbled me a bit!
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Triangles Perpendicular

09/16/15

Please help me find the solution to this question! Thank you!
The y-interepts, P and Q, of two perpendicular lines intersecting at the point A(6,8)have a sum of zero. What is the area of ΔAPQ?
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08/17/15

Triangle ABC is a right triangle with the side lengths shown. What is the length of BC?
Since i cant show the actual triangle i hope it will help if i mention that line BA of the triangle is 5 and so is line AC A) 2√5 B) 5√2C) 10 D) 25 I beileve its B but im not sure how to explain it 
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07/30/15

Tokyo, Japan and Tehran, Iran, lie on a latitude of 38 and 47/60 degrees and longitu...
Tokyo, Japan and Tehran, Iran, lie on a latitude of 38 47' 00" and longitude of 141 2' 00" East and 52 5' 00" East, respectively. What is the length of the line of constant latitude between these... more
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Triangles Math Geometry Feet

07/25/15

Geometry Help!
Use the information in the diagram to determine the height of the tree to the nearest foot.A. 80 ft B. 264 ft C. 60 ft D. 72 ft   Please help me with this question! :l I don't understand it!!
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Triangles

07/25/15

triangles topic
In an isosceles triangle ABC ,AB=AC=5 and triangle ABC=45(DEGREES) then length of BC is  
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Triangles

07/25/15

triangles topic
in a right angle isosceles triangle ,one of  the side of a triangle is 4,what is the area of the triangle   (a)sqrt(8)/2 (b)2(sqrt(8)) (c)8 (d)6 (e)4
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Triangles

07/25/15

triangles topic
find perimeter of a scalene triangle whose sides are 8,13 and x ,x is integral value   (a)25 (b)27 (c)29 (d)32 (e)34
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Triangles

07/25/15

triangles topic
in a triangle ABC ,D and E are the points on AB and AC and DE||BC . if length of AB is two times of length AD .then what is the ratio of area of triangle ABC to area of triangle ADE
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Triangles

07/22/15

Each set of numbers below represents the measures of three angles. Which set represent angle measures that could be found in a triangle?
Please help, its dealing with triangles and degrees. It is one of these answers, i just dont know which one.    A(30o, 100o, 20o) B(36o, 42o, 65o) C(30o, 57o, 30o) D(44o, 63o, 73o) E (67o, 41o,... more
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Triangles Triangle Sides

07/21/15

Triangle question plz
Triangle ABC ~ Triangle ADB, AC=4cm AD=9cm. What is the number of centimeters in the length of AB?
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Triangles Math Geometry Sas

07/21/15

Geometry Question on Triangles
Based on the given information, can you conclude that ?QRS≅?TUV ? Explain.Given: (QR) ≅(TU) ,(QS) ≅(TV) and <R = <U, prove ?QRS≅?TUV       Please show me how I should go about doing this!... more
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Triangles

07/09/15

triangles topic
In an isosceles triangle ABC ,AB=AC and angleABC=45(degrees) then length of BC is:
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Triangles

06/11/15

can u show me how to do the problem
An equilateral triangle has vertices at (0, 0), (8, 0), and (4, y), where y > 0. What is the value of y? Round to the nearest hundredth
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05/11/15

State whether the given measurements determine zero, one, or two triangles.
State whether the given measurements determine zero, one, or two triangles. B = 84°, b = 28, c = 25 Two One Zero
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05/11/15

Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the triangle.
Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the triangle. a = 240 b = 132 c = 330 No triangle is formed. 30,776.84... more
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05/07/15

Geometry of Triangles
The perimeter of a triangle is 105 inches. The longest side is 22 inches longer than the shortest side. The sum of the lengths of the two shorter sides is 15 inches more than the length of the... more
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04/12/15

An airplane is flying at an altitude of 1.8 miles and is 13.7 miles from the runway. Find the angle of depression that the airplane must make to land safely.
NOTE: this assignment is due tomorrow and I have nobody to help me. I'm in 9th grade algebra II/trig, and we're just starting to do trig. So for work over spring break, we were assigned some... more
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