danyaby2princess danyaby2princess

16-10-2019
Mathematics

contestada

What is the sum of the areas of circle C and circle D?
7tt units
7 cm
141 units
491 units
981 units

What is the sum of the areas of circle C and circle D 7tt units 7 cm 141 units 491 units 981 units class=

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musiclover10045 musiclover10045

16-10-2019

The area of a circle is r^2 x PI

Each circle is shown with a radius of 7cm.

The area for one circle would be 7^2 x PI = 49PI

The area for both circles would be 49PI + 49PI = 98PI units^2

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