If the area of a semicircle is 308cm^2 .find the length of its diameter
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Length of the diameter of the semicircle is 28 cm.
- Given:
Area of semicircle = 308 cm²
- Formula to compute area of semicircle is πr²/2.
308 = πr²/2
616 = (22/7)r²
196 = r²
r = 14
- Radius of the semicircle is 14 cm.
- Therefore, diameter of the semicircle = 2r = 2×14 = 28 cm.
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