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What is the area of a circle with radius of 7 ?
49π49\pi49π
14π14\pi14π
7π7\pi7π
πr2\pi r^2πr2
2πr2\pi r2πr
πr\pi rπr
Find the circumference and the area of circle if the radius is 7 cm.
114 cm2
124 cm 2
154 cm2
If the longest chord of a circle is 12 cm, then find the area of circle.
113.5 cm2
The length of the largest chord of a circle is 12 units. Find the area of the circle.
16π16\pi16π
24π24\pi24π
36π36\pi36π
21π cm
28π cm
18π cm
16π
9π
36π
What is the radius of the circle whose surface area is 314.159 sq.cm?
20 cm
30 cm
10 cm
Is the sentence true or false?
The area of a circle formula in terms of the circumference is given by the formula (Circumference)24π\frac{(Circumference)^2}{4\pi}4π(Circumference)2
True
False
If the length of the radius of a circle is 4 units. Calculate its area.
6π6\pi6π
It is done.