Apps. and Interpretation for IBDP Maths Ebook 1 | Page 170

Your Practice Set – Applications and Interpretation for IBDP Mathematics
(c) Hence, find the perimeter of the shaded segment ABC .
[2]
3. The following diagram shows the chord AB in a circle of radius 20 cm, where
AB � 32 cm .
(a) Find the size of the minor angle ˆ AOB .
(b) Find the area of the sector AOB .
It is given that the area of the triangle AOB is
2
192 cm .
[3]
[2]
(c)
Find the area of the shaded region.
[2]
4. The following diagram shows the chord AB in a circle of radius 40 cm, where
AB � 60 cm .
(a) Find the size of the minor angle ˆ AOB .
(b) Find the length of the minor arc AB .
(c)
Hence, find the perimeter of the shaded segment.
[3]
[2]
[2]
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