Question

Find the missing length of the figure.

Answer 1

16

Explanation:

Use the Pythagorean Therom:

A^2 + B^2 = C^2

A=x

B=12

C=20

20^2 - 12^2 = 256

Square root of 256 is 16

Answer 2

16

Explanation:

Using pythagorean theorem:

20^2 - 12^2 = x^2

400-144 = x^2

x^2 = 256

x=16