Measuring Legs of Triangles

Which of the following is true about all right triangles? 

• The sum of the measures of the legs of a right triangle is equal to the measure of the hypotenuse.

• The product of the measures of the legs of a right triangle is equal to the measure of the hypotenuse. 

• The sum of the measures of the legs of a right triangle squared is equal to the length of the square of the hypotenuse. 

• The sum of the squares of each leg of a right triangle is equal to the square of the hypotenuse. 

Josiah builds a room that has a 9-foot ceiling height. One wall has a 15-foot diagonal. 
Which expression can be used to determine the length of the wall? 

• √(225 + 81)

• √(225 - 81)

• √(225 ÷ 81)

• not here

Look at triangle JKL
What is the approximate measure of side JK?

• 14.4 units

• 10.4 units

• 13.9 units

• 15.1 units

Find the missing side.

Round to the nearest tenth if necessary.

• 48

• 108

• 83.6

• 72

Pythagorean Theorem ONLY works on which type of triangles?

• obtuse

• scalene

• isosceles

• right

Find the missing side.

Find the perimeter of a right triangle that has legs measuring 3 cm and 4 cm.

• 5

• 7

• 10

• 12

• Any of the three given lengths