Question

A-7
B-?
C-14
Pythagorean theorem

Answer 1

b = 12.12 (or) 7 sqrt 3

Explanation:

a^2 + b^2 = c^2

7^2 + b^2 = 14^2

49 + b^2 = 196

-49 -49

b^2 = 147

b = sqrt 147

decimal form:

b = 12.12

exact form:

b = 7 sqrt 3