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The diagram below shows a cross section of an oil pipeline centre O and radius 14 cm. The pipe constitutes two other smaller pipes centres...

The diagram below shows a cross section of an oil pipeline centre O and radius 14 cm. The pipe constitutes two other smaller pipes centres O1 and O2 with radii 7 cm and 10.5 cm respectively.Oil flows through this smaller pipes. The pipes with centre O1 and O2 intersect at P and Q.

(a) Find the area of the un shaded region if PQ = 5 cm
(b) Find the area of the shaded region.

Answers

sharon kalunda answered the question on August 15, 2019 at 13:03

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Previous: In the Wien bridge oscillator shown in Fig. 6.18, R₁ = R₂ = 220 kilo-ohms and C₁ = C₂ = 250 pF.

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