Math week 8
Task3
Solve for the circumference of each circle and fill in the radius and diameter below the circle.
Answers
Solution :-
1)
→ Radius = (5/2) inch
→ Diameter = 5 inch
→ circumference = 2πr = 2 * 3.14 * (5/2) = 3.14 * 5 = 15.7 inch.
2)
→ Radius = 2 cm
→ Diameter = 2 * 2 = 4 cm
→ circumference = 2πr = 2 * 3.14 * 2 = 3.14 * 4 = 12.56 cm
3)
→ Radius = 4.5m
→ Diameter = 2 * 4.5 = 9 m
→ circumference = 2πr = 2 * 3.14 * 4.5 = 3.14 * 9 = 28.26 m
4)
→ Radius = 5 m
→ Diameter = 10 m
→ circumference = 2πr = 2 * 3.14 * 5 = 3.14 * 10 = 31.4 m .
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