Answer:
Step-by-step explanation:
a) Area of one parallelogram shaped piece = base * height
= 3*4 = 12 square inch
Area of 15 parallelogram shaped piece = 12*15 = 180 square inches
b) Area of wall to be painted = base*height/2
[tex]=\frac{16*13}{2}\\\\=8*13\\[/tex]
= 104 ft²
