Question

2)

A ladder is leaning against the side of a building. The building and the ground form a right angle. How high on the building will the ladder touch if the ladder is 10 ft long and the base of the ladder is 6 ft from the base of the building?
A) 4 ft
B) 8 ft
C) 16 ft
D) 64 ft


3)
Jimmy ran 3 miles west from home and then turned north and jogged 4 miles. In a straight line, how far is Jimmy from home?
A) 3.5 miles
B) 4 miles
C) 5 miles
D) 7 miles


9)
Find the volume of a cylinder with a radius of 6 cm and height 15 cm? (to the nearest whole centimeter)
A) 424 cm3
B) 848 cm3
C) 1,696 cm3
D) 3,393 cm3

Answer 1

Number two is 8. Using the pythagorean theorem, a^2+b^2=c^2
a^2+6^2=10^2
a^2+36=100
-36 -36
a^2=64
a=8