Pythagorean Theorem Quick Check

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Which equation could be used to solve the problem?

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

what is the missing length?

• 50

• 60

• 70

• 80

What is the diagonal distance between the two points?

• 10.2 units

• 9.9 units

• 9.3 units

• 8.7 units

Find the length of the missing side. 

• 20 in.

• 68 in.

• 16 in.

• 80 in.

What is the distance between the two points?

• 4.5 units

• 5.1 units

• 3.2 units

• 6.4 units

Name the longest side of a right triangle.

• leg a

• leg b

• leg 

• hypotenuse

To which shape(s) does the Pythagorean theorem apply?

• All triangles

• Right triangles only

• Some right triangles and some isosceles triangles 

• Right triangles and circles.

When do we use the Pythagorean Theorem?

• To find a missing angle in a right triangle

• To find the missing length of a right triangle

• To find the area of a right triangle

• To find the slope of a right triangle