Question

4. Taking TI = 3.14, find the diameters of the circles whose areas are

7.065 mm?


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Answer 1

Answer:

Area of a circle=T1×r^2

where r is the radius of the circle

3.14×r^2=7.065

r^2=7.065/3.14=2.25

r=1.5

diameter=2×r=2×1.5=3mm