Question

Help me once again please :)

Answer 1

Answer:

d =  5

Step-by-step explanation:

Pythagorean Theorem

a^2 = b^2 = c^2

3^2 + 4^2 = 9 + 16 = 25

sqrt.25 = 5

Answer 2

Answer:

D. 5 feet

Step-by-step explanation:

You can imagine the ladder forming a right triangle with the wall. The two legs are 3 feet and 4 feet. Using the Pythagorean Theorem:

$l=\sqrt{4^2+3^2}=\sqrt{16+9}=\sqrt{25}=5$

Hope this helps!