Pythagorean Theorem Brief Review

The side view of a ramp that Jessie built for his race cars is shown below. Find r, the length of the ramp to the nearest tenth.

• 21 inches

• 15.7 inches

• 6.5 inches

• 17.4 inches

The model below is used to show the relationship between the side lengths of a right tringle. Which describes the square that could be connected to side b of the triangle to correctly complete the model?

• A square with side lengths of 400 feet.

• A square with side lengths of 100 feet.

• A square with side lengths of 50 feet.

• A square with side lengths of 20 feet.

Find the value of x.

Mathematical Equivalence

ON

What is the relation between the three sides of the right-angle triangle in the figure?

• a²+b²=c²

• a+b=c

• a²-b²=c²

Value of x

Find the value of x. Round your answer to the nearest tenth.

Mathematical Equivalence

ON

solve for c

• 7

• 9

• 4

• 13

Joel has a 41 inch board leaning up against a wall. The board hits the wall 40 inches above the ground. How far from the wall is the base of the board?