Troy is building a ramp for his toy cars. The plank he is using for the ramp is 5 feet long and is placed on a 3-foot-high box How far from the box is the bottom edge of Troy's ramp, in feet

Question

Mathematics

Jaime Dunlap

16 December, 20:38

Troy is building a ramp for his toy cars. The plank he is using for the ramp is 5 feet long and is placed on a 3-foot-high box How far from the box is the bottom edge of Troy's ramp, in feet

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Answers (1)

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Anderson Johnson · Answer 1

By Pythagorean Theorem,

hyp^2 = x^2 + h^2

hyp = hypotenuse = 5 ft.

x = ?

h = height = 3 ft.

5^2 = x^2 + 3^2

25 = x^2 + 9

25 - 9 = x^2

16 = x^2

sqrt (16) = x

x = 4 ft.

the answer is 4 ft.