Question

In the adjacent figure, AB = 12 cm, AC = 4 cm, CB = 8 cm. A circle is made on AB as diameter and semicircle are made on AC and BC as diameter, as shown in the figure . Find the area of shaded region.

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

area of shaded region = area of shaded semicircle with AC as diameter +area of semicircle with AB as diameter - area of semicircle with BC as diameter

= ($\pi$/2)((2)(2)+(6)(6)-(4)(4))

=($\pi$/2)(4+36-16)

=24$\pi$