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5. Point P lies on a circle with centre O and A is a point on the tangent through P.
If PA = 7 cm and OA = 25 cm, find

By Ruby

0
5. Point P lies on a circle with centre O and A is a point on the tangent through P.
If PA = 7 cm and OA = 25 cm, find the diameter of the circle.)

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Ruby

Given that r = 8 cm, find the area of sector ROS.
A. 21 cm2
B. 411 cm
C. 161 cm2
D. 81 cm2​

(3) 8 – 2 (4 – 2) = _________.

(A) 6 (B) 4 (C) 2 (D) 12

(4) 3x – 3 (x – 2) = ________.

(A) 6

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