Advertisements
Advertisements
Question
The ratio of the area of a circle to the area of its semicircle is
Options
2 : 1
1 : 2
4 : 1
1 : 4
Advertisements
Solution
The ratio of the area of a circle to the area of its semicircle is 2 : 1
APPEARS IN
RELATED QUESTIONS
The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes.
A circle is inscribed in an equilateral triangle ABC is side 12 cm, touching its sides (the following figure). Find the radius of the inscribed circle and the area of the shaded part.
In the following figure, two circles with centres A and B touch each other at the point C. If AC = 8 cm and AB = 3 cm, find the area of the shaded region.
The area of the largest triangle that can be inscribed in a semi-circle of radius r, is
If the radius of a circle is diminished by 10%, then its area is diminished by
If the area of a sector of a circle bounded by an arc of length 5π cm is equal to 20π cm2, then its radius is
In the given figure, OABC is a square of side 7 cm. If COPB is a quadrant of a circle with centre C find the area of the shaded region.
In the given figure, O is the centre of the circle with AC = 24 cm, AB = 7 cm and ∠BOD = 90°. Find the area of shaded region.
On decreasing the radius of a circle by 30%, its area is decreased by
The area (in cm2) of the circle that can be inscribed in a square of side 8 cm is ____________.
