Area of a circle is 176sq cm find their diameters
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area of circle = π(diameter)²/4
176 = 22/7 (diameter)²/4
176 × 7 × 4/22 = diameter ²
8 × 7 × 4 = diameter²
diameter = √8×7×4
diameter = 4√14 cm
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area of circle = πr^2
176 = 22/7 r^2
176 x 7 / 22 = r^2
r = √56 = 7.4
d = 2r = 2 x 7.5 = 15
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