laura121315 laura121315

23-03-2020
Mathematics

contestada

The area of a circle is 78.5 m2. Find the radius and diameter of the circle.

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vainoimene17 vainoimene17

25-03-2020

Answer: r=5 m2

d=10 m2

Step-by-step explanation:

A=πr^2 r=✓A÷π

78.5m2=πr^2

✓78.5÷π=r

5m2=r

2(5m2)=d

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