Relax

Respuesta :

In triangle do pythogrean to find height 5 sq -3sq = 16 and sq rt of 16 is 4

So triangles are 1/2 bh 1/2 (3)4 = 6

One sale 5x5 one shape 5x4 one gape 3x5 plus two triangles
25+ 20+ 15 + 6+6= 72