In the diagram of a circle centre O, the arc length is s and the area of
Question:
In the diagram of a circle centre O, the arc length is s and the area of the shaded area is A.
a) Find θ when r = 6 cm and s = 10 cm.
b) Find θ when r = 25 mm and A = 1000 mm².
c) Find r when θ = 0.8 rad and s = 20 m.
d) Find r when θ = 3π/4 rad and A = 50 cm².
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ANSWER a When r 6 cm and s 10 cm we can use the formula ...View the full answer
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Related Book For 
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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