Question

An envelope is 6 inches wide, and it measures 9 inches along the diagonal. How tall is the envelope? If necessary, round to the nearest tenth.

Answer 1

Answer:

Wouldn't it be 6×9=54 ?

Step-by-step explanation:

Because you would do L×W ? I think.. if that's wrong I am super duper sorry!!

Answer 2

Answer:

Aprox: 6.7

Step-by-step explanation:

Polygatheroem method.

$a^{2} + b^2 = c^2\\a^2 + 6^2=9^2$

a=6.7