Radius is equal to 2.1 metre
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Answer:
what is question ............
Answer:
AREA OF A CICLE IN TERMS OF RADIUS:
Area = π . r2 = 3.14 × 2.12 = 13.85 square meters.
IN TERMS OF DIAMETER:
Area = π . (d/2)2 = 3.14 × (4.2/2)2 = 3.14 × (2.1)2 = 13.85 square meters.
IN TERMS OF CIRCUMFERENCE:
Area = C2/(4π) = 13.192/4π = 173.98/(4 × 3.14) = 173.98/(12.56) = 13.85 square meters.
Note: for simplicity, some results may be rounded to nearest hundredth and π was rounded to 3.14. See formula details below in this page.
A CIRCLE OF RADIUS = 2.1 OR DIAMETER = 4.2 OR CIRCUNFERENCE = 13.19 METERS HAS AN AREA OF 13.85 SQUARE METERS WHICH IS EQUAL TO:
1.385E-5 square kilometers (km²)
138500 square centimeters (cm²)
0.003422 acres (ac)
0.001385 hectares (ha)
5.348E-6 square miles (mi²)
16.56 square yards (yd²)
149.1 square feet (ft²)
21470 square inches (in²)
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