Hypotenuse
Leg
Pythagorean
Theorem
Word Problems
Triangle Inequality Theorem
100

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle with legs 3 and 4 cm long.

5 cm

100

Use the Pythagorean theorem a2 + b2 = c2 to find the missing LEG for the triangle with a=6 and c=10.

b = 8

100

In terms of a, b, and c, what is the Pythagorean Theorem?

a2 + b2 = c2

100

Sally walks away from her house. She walks 25 m west then 15 m south. How far, in meters, is she from her house?

29.2 meters

100

True or False: Triangle Inequality Theorem tells you if a triangle is a right triangle or not

False! It tells you whether it is even a triangle or not

200

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 6 and 8.

10

200

Use the Pythagorean theorem a2 + b2 = c2 to find the missing LEG for the triangle with b=9 and c=20.

a = 17.9

200

Can all legs (a & b) and hypotenuse (c) values be interchangeable? 

NO! Only a & b are interchangeable

200

An envelope is 11 inches wide and measures 19 inches along the diagonal. How tall, in inches, is the envelope?

15.5 inches

200

Will the lengths 3, 9, & 4 form a triangle?

No

300

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 5 and 12.

13

300

Use the Pythagorean theorem a2 + b2 = c2 to find the missing LEG for the triangle with b=10 and c=15.

a = 11.2

300

When using the Pythagorean Theorem, which side does c always have to be?

The hypotenuse and the longest side

300

A 13 foot ladder is placed 5 feet away from a wall. How many feet up the wall will the ladder reach?

12 feet

300

Will the lengths 114, 97, & 35 form a triangle?

Yes

400

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 9 and 12.

15

400

Use the Pythagorean theorem a2 + b2 = c2 to find the missing LEG for the triangle with b=1 and c=4.

a = 3.9

400

What must be true about your triangle in order to use the Pythagorean Theorem?

It must be a right triangle.

400

Ed is flying a kite with a string 25 meters long. If his friend is directly under the kite 10 m away, how high, in meters, is the kite off the ground?

22.9 meters

400

If a = 57 and c = 234, then b has to be greater than what number to form a triangle?

b > 177

500

Use the Pythagorean theorem a2 + b2 = c2 to find the missing hypotenuse for the triangle whose legs are 12 and 16.

20

500

Use the Pythagorean theorem a2 + b2 = c2 to find the missing LEG for the triangle with a=6 and c=9.

b = 6.7

500

Who is credited with discovering the Pythagorean Theorem?

Pythagoras

500

A football field is a rectangle 48 meters wide and 91 meters long. The coach asks players to run from corner to corner diagonally across the field. How far do the players run?

102.9 meters

500

A triangle has two side lengths 58 and 18. Complete the inequality that can be used to form a triangle.

40 < x < 76