If the diameter of a circle is increased by 1 / 10, how many parts of the area of the circle will be increased
Area increase = (1 + 1 / 10) × (1 + 1 / 10) - 1 = 21%
RELATED INFORMATIONS
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- 3. The sum of the areas of two circles with a diameter of 10 cm is equal to that of a circle with a diameter of 20 cm______ .
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- 6. If the radius of the circle is increased by 15, its area will be increased by 88 DM2
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- 9. Excuse me: how to find out the area of a semicircle with a diameter of 8 cm
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