8/8/2019 Add Maths Friday, Sept 3

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8/8/2019 Add Maths Friday, Sept 3

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SRI BINTANG TUITION CENTRE 2

4.

The above diagram shows two circle with centre atA andB with the same radius 3 cm. Another sector

of a circle OPQ centred at O passes through points A and B respectively. Given that PO = 9 cm,calculate,

(a) POQ , in radians, [1 mark]

(b) the perimeter of the shaded region, [3 marks]

(c) the area of ABO , [2 marks]

(d) the area of the shaded region. [4 marks]

A B

P Q

O