Question

Help please, por favor, s'il vous plait in all the language I can say please. I really need your help

Answer 1

192

Explanation:

16^2+b^2= 20^2

256+b^2=400

b^2=144

b= 12

height = 12

1/2bh= Area of a triangle

12*32=384

384/2= 192