In the circle shown above O is the centre of the
circle and AB is a tangent to the circle at C. If triangle
AOB is an equilateral triangle and AB is 10cm, what
is the area of the circle?
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Answer:
a is the correct answer
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Answer:
Step-by-step explanation:
r = 10/2
= 5
Area of triangle
= πr^2
22/7 ×(5)(5)
25π
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