Answer:
area ≈ 30.5 cm²
Explanation:
the shaded area (A) is calculated as
A = area of circle - area of rectangle
= πr² - lb ( r is the radius of the circle )
given diameter = 10 cm then r = 10 cm ÷ 2 = 5 cm
A = (π × 5²) - (8 × 6)
= 25π - 48
≈ 30.5 cm² ( to the nearest tenth )