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In the figure below, O₁ and O₁ are the centres of the circles whose radii are 4 cm and 7 cm respectively. The circles intersect...

In the figure below, O₁ and O₁ are the centres of the circles whose radii are 4 cm and 7 cm respectively. The circles intersect at A and B and angle AO₁O₂ = 60˚

Find by calculation; take π = 3.142
(a) The angle AO₂O₁
(b) The area of the quadrilateral AO₁BO₂
(c) The shaded area

Answers

sharon kalunda answered the question on August 9, 2019 at 12:50

Answer Attachments

Next: O is the centre of the circle below and AB is parallel to DC. Angle ACD = 70⁰ and angle ACB = 10⁰.

Previous: A prism of length 20cm is represented by the diagram below whose cross section is an equilateral triangle of side 7cm.

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