Analysis and Approaches for IBDP Maths Ebook 1 | Page 118

Your Practice Set – Analysis and Approaches for IBDP Mathematics
4. The following diagram shows triangle ABC , with BC � 8 cm , ACB ˆ
the triangle ABC is
2
24 3 cm .
�
�
, and the area of
3
(a) Show that AC � 12 cm .
(b)
The shape in the following diagram is formed by adding a semicircle with
diameter [AC] to the triangle.
[4]
Find the exact perimeter of this shape.
[3]
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