Quiz Name __________________
Pythagorean Theorem Period _________________
1. A 12-foot ladder is leaning against the side of a building. The top of the ladder reaches
10 feet up the side of the building. Approximately how far is the bottom of the ladder
from the base of the building?
A 2 ft
B 15.6 ft
C 6.6 ft
D 1.4 ft
2. A baseball diamond is a square with a side length of 90 feet. To the nearest foot, what is
the distance between first base and third base?
2nd base
3rd base 1st base
Home plate
A 810 ft
B 90 ft
C 180 ft
D 127 ft
3. A flower garden is in the shape of a right triangle. One leg of the triangle is 6 ft long and
the hypotenuse is 12 ft long. What is the length of the other leg?
A 14.6 ft
B 10.4 ft
C 13 ft
D 12.8 ft
4. Which of the following sets of numbers represents a Pythagorean Triple?
A { 10, 5, 12}
B { 2, 4, 5}
C {1, 2, 3 }
D {14, 48, 50 }
5. Which of the following sets of numbers does NOT represent a Pythagorean Triple?
A {34, 16, 30}
B {10, 24, 26}
C {19, 21, 23}
D {5, 12, 13}
6. A right triangle has legs of lengths 9 cm and 12 cm. What is the length of the
hypotenuse?
A 15 cm
B 22 cm
C 25 cm
D 14 cm
7. A triangle has legs which measure 15 inches and 20 inches. Find the length of the
hypotenuse.
A 28 inches
B 32 inches
C 13 inches
D 25 inches
8. A 20-ft-long wire is used to support a television antenna. The wire is connected to the
antenna 15 ft above the ground. How far away from the base of the tower will the other
end of the wire be located?
A 13.2 ft
B 25 ft
C 18 ft
D 16.5 ft
9. Gina is making a quilt in the shape of a right triangle. The measurement of the diagonal
of the quilt is 36 in. long. The width of the quilt is 15 in. long. What is the approximate
length?
A 27.3 in.
B 32.7 in.
C 19.6 in.
D 29.9 in.
10. The drawing shows how three squares can be joined to form a triangle.
Which set of squares could form a right triangle?