Question

The area of a circle is 30.85cm2.
Find the length of the radius rounded to 2 DP.

Answer 1

Step-by-step explanation:

area is equal to 30. 85 square CM

πr²=30.85

r²=30.85÷π

r² =30.85÷3.14

r² =9.82

r=√9.82

r=3.13

r=3 cm{ rounding off two digits}

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