Question

Please help will give brainliest!

Answer 1

1.5 ft is the answer

Answer 2

Answer:

1.5 ft

Step-by-step explanation:

Use the Pythagorean theorem and rearrange it to find the third length.

3.6^2 + x^2 = 3.9^2

3.9^2 - 3.6^2 = x^2

15.21 - 12.96 = 2.25

sqrt 2.25 = 1.5

x = 1.5