Question

Using exact values (e.g. 10+4π), find the area of the following composite shape:

Answer 1

12 - (⅛)π cm²

Explanation:

Rectangle + circle - semicircle

(4 × 3) + (pi × 1²) - ½(pi × 1.5²)

12 + pi(1 - 9/8)

12 - (⅛)π