Question

PLEASE LOOK AT ATTACHMENT-25 POINTS

Answer 1

h = 19.36 cm

Explanation:

using Pythagorean theorem

20^2-5^2 = h^2

h^2 = 375

h = 19.36 cm

Answer 2

Step-by-step explanation: 10/2 = 5

20^2= x^2 + 5^2

400=x^2+25

x^2=375

x= 19.4