9. Find the shaded area correct to 1 dp. (Use 3.14 for Ď).-8cm--10 – InterviewSolution

1.

9. Find the shaded area correct to 1 dp. (Use 3.14 for Ď).-8cm--10 cm-Fig. Q. 9

Answer»

Area of shaded region = Area of bigger circle - Area of smaller circle = π(5² - 4²)= 3.14*(25-16)= 3.14*9= 28.26 cm²= 28.3 cm²

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