Question

A 7 foot ladder, leaning against a wall, touches the wall "x" feet above the ground. Write an expression (in terms of x) for the distance from the ladder to the base of the wall.

Answer 1

Use Pythagorean Theorem.

Answer 2

Pythagoras theorem:
\[d=\sqrt{49-x^2}\]

Answer 3

that's the answer?

Answer 4

yep, it is an expression of "d" in terms of "x"

Answer 5

thanks so much!!:)

Answer 6

welcome!