Question

A group of boys are building a skate ramp onto the side of a concrete ledge. The concrete ledge is 4 feet tall. If the board they are using is 6 feet long, how many feet from the concrete will the end of the board reach? 5 feet 7.2 feet 8 feet 4.5 feet

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Here a right angle will form so we can use Pythagoras Theorem

$6^{2} = 4^{2} + x^{2} \\x^{2} = 20\\ x = \sqrt{20}$

x = 4.5