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Earn +20 ptsQ: What is the diameter of 30cm?
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What is the diameter of a circle if its radius is 30cm?
60cm
What is the diameter of a circle if the circumference is 30cm?
30/pi cm
If the diameter of a circle is 30Cm What is the circumferences?
d = 9.55 cm
What is the area of a circle where the diameter measures 30 cm?
Diameter = 30cm so radius = 15 cm. Then Area = pi*r2 = 706.9 cm2
What is the area of a circle with diameter 30cm?
Area = π*d2 / 4 d = 30 cm => area = 706.86 sq cm
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