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The diameters of two circular plates are respectively 10 cm and 24 cm. What is thediameter of a plate which has area equal to the combined area of the two givenplates? |
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Answer» Area of 1 st Plate = (22/7)(D/2)² = (22/7) (10/2)² = (22/7)* 25 Area of 2nd plate = (22/7)*(24/2)²= (22/7)*144 Total area = (22/7)*(25+144) = (22/7)* 169 = (22/7)* 13² = (22/7)*(26/2)² Dia of new plate = 26 cm |
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