Question

How do you do this problem help me

Answer 1

h2 + 52 = 102

           h2 = 102 − 52 = 100 − 25 = 75 = 52×3

            h = 53 ≈ 8.7

   Area A  = ½×10×h ≈ ½×10×8.7 ≈ 43 cm2

Hope this helps