Question

Pleaseeeeeeeeeeeee help

Answer 1

12 is the answer


Sorry if I’m wrong

Answer 2

a = 12 yd

Explanation:

From the pythagoras theorem

(hypotenuse)^2 = side^2 + side^2

20^2 = 16^2 + a^2

400 = 256 ^ a^2 subtract 256 from both sides

144 = a^2 the square root of 144 is 12

12 = a