20 points for math please help
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Step-by-step explanation:
circumference of circle = 2× radius
3.so radius is 7 hence 2×7 is 14
4. so radius is 2.1 hence 2×2.1 =4.1
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Answered by
1
Answer:
Step-by-step explanation:
Ques is asking for circumference and area
3. Diameter is 14cm
i.e. radius 7cm
Circumference= 2×22/7×7
= 44cm
Area = 22/7×7×7
= 154cm²
4. Radius = 2.1 inches
Circumference = 2×22/7×2.1
= 13.2inches
Area = 22/7×2.1×2.1
= 13.86 inches ²
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