Question

PLEASE assist me in this geometry problem !!!

Answer 1

B=9*5=45m²

P=4+5+3=12m

H=9m

Now

S.A=P*H+2B=12*9+2*45=198m²

V=BH=45*9=405m³

here

B:base area of rectangle

P=perimeter of triangle

H=length of rectangle

S.A=surface area

V=Volume