Question

Find the area of the composite shape.

1,323 cm squared
1,209 cm squared
955.5 cm squared
1,029 cm squared

Answer 1

4. A = 1029 cm²

Steps:

A = (35×21)+(21+2×3.5)×21/2

A = 735 + (21+7)×21/2

A = 735 + 28×21/2

A = 735 + 588/2

A = 735 + 294

A = 1029 cm²