The diagram shows the sector OPQ with centre O.
Find, (use Phi=3.142)
a) Angle POQ,
in terms of phi radian.
b) the perimeter, in cm, sector OPQ.
(4 marks)
Question: Q2/D1/130420
Diagram shows the sectors OAB and ODC with center O.
It is given that OA = 4 cm, the ratio of OA : OD = 2:3 and the area of the shaded region is 11.25 cm2
Find,
a) the length, in cm, of OD,
b) θ, in radians
(4 marks)
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