Question

What is x, the length of the diagonal, to the nearest

whole number?
A 16
B 18
C 19
D 21

Answer 1

Answer: 16

Explanation:

got it right.

Answer 2

16.24

Explanation:

x^2 = 17^2+13^2-2*17*13*cos(64)

= 264

x = 16.24