Answer:
Area of first shape is 288[tex]ft^{2}[/tex], area of second shape is 45[tex]m^{2}[/tex], area of third shape is 34[tex]in^{2}[/tex].
Step-by-step explanation:
Area of first shape
A=bh
A=18*16
A=288
Second shape
A=bh
A=9*5
A=45
Third shape
A= 1/2 h(b1+b2)
A=1/24(12+5)
A=1/2*4(12+5)
A=1/2*4(17)
A=1/2*68
A=34
