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What is the radius of a semi circle when the area is 20cm
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What is the radius of a semi circle when the area is 20cm
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Jun 22, 2018
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What is the radius of a semi circle when the area is 20cm
Mathematics
high-school
Ariel Malka
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Ariel Malka
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hello :
the area of the circle is : 40 cm²
40 =
πr²
r² = 40/(3.14 )
r² = 12.73 cm
JackLock
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Jun 26, 2018
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JackLock
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