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Right Triangle Word Problems Worksheet

This worksheet focuses on solving real-world problems using the principles of right triangles, including the Pythagorean theorem and trigonometric ratios.

Grade 9 Math TrigonometryRight Triangle Word Problems
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Includes

2 Short AnswerFill in the BlanksTrue / FalseMultiple Choice

Standards

CCSS.MATH.CONTENT.HSG.SRT.C.8

Topics

mathtrigonometryright trianglesword problemsgrade 9
7 sections · Free to use · Printable
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Right Triangle Word Problems

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Read each problem carefully, draw a diagram if helpful, and use the Pythagorean theorem or trigonometric ratios (sine, cosine, tangent) to solve. Show all your work.

1. A ladder is leaning against a wall. The top of the ladder reaches 12 feet up the wall. If the base of the ladder is 5 feet away from the wall, how long is the ladder?

5 ft12 ft

2. A kite is flying at an angle of elevation of 40° from the ground. If the string to the kite is 100 feet long, how high is the kite above the ground?

100 ft40°

3. A boat travels 15 miles east and then 8 miles north. The shortest distance from the boat's starting point to its current position is   miles.

4. If a right triangle has legs of length 6 and 8, its hypotenuse must be 10.

T

True

F

False

5. A flagpole casts a 24-foot shadow when the angle of elevation of the sun is 60°. What is the approximate height of the flagpole?

24 ft60°
a

13.86 feet

b

24 feet

c

41.57 feet

d

48 feet