Advertisements
Advertisements
प्रश्न
The ratio of the area of a circle to the area of its semicircle is
पर्याय
2 : 1
1 : 2
4 : 1
1 : 4
Advertisements
उत्तर
The ratio of the area of a circle to the area of its semicircle is 2 : 1
APPEARS IN
संबंधित प्रश्न
In the given figure, ABCD is rectangle of dimensions 21 cm × 14 cm. A semicircle is drawn with BC as diameter. Find the area and the perimeter of the shaded region in the figure.

A footpath of uniform width runs all around the inside of a rectangular field 54m long and 35 m wide. If the area of the path is `420m^2` , find the width of the path.
In the following figure, from a rectangular region ABCD with AB = 20 cm, a right triangle AED with AE = 9 cm and DE = 12 cm, is cut off. On the other end, taking BC as diameter, a semicircle is added on outside' the region. Find the area of the shaded region. [Use π =]`22/7` [CBSE 2014]

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, an equilateral triangle ABC of side 6 cm has been inscribed in a circle. Find the area of the shaded region. (Take π = 3.14).

What is the diameter of a circle whose area is equal to the sum of the areas of two circles of diameters 10 cm and 24 cm?
If a square is inscribed in a circle, find the ratio of the areas of the circle and the square.
The floor of the circular swimming pool whose radius is 7 m has to be cemented at the rate of ₹ 18 per m2. Find the total cost of cementing the floor
If the radius of a circle is doubled, its area becomes ____________.
In figure, a square of diagonal 8 cm is inscribed in a circle. Find the area of the shaded region.
