Advertisements
Advertisements
प्रश्न
The ratio of the area of a circle to the area of its semicircle is
विकल्प
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
Find the area of the following circles, given that radius = 5 cm.
The base of an isosceles triangle measures 80 cm and its area is 2 `360 . cm^2` Find the perimeter of the triangle.
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]

In the following figure, the square ABCD is divided into five equal parts, all having same area. The central part is circular and the ines AE, GC, BF and HD lie along the diagonals AC and BD of the square. If AB = 22 cm, find:
the circumference of the central part.

In the following figure, AB = 36 cm and M is mid-point of AB. Semi-circles are drawn on AB, AM and MB as diameters. A circle with centre C touches all the three circles. Find the area of the shaded region.

If the diameter of a semi-circular protractor is 14 cm, then find its perimeter.
The circumference of a circle is 100 m. The side of a square inscribed in the circle is
In the following figure, If ABC is an equilateral triangle, then shaded area is equal to
A chord of a circle of radius 14 cm a makes a right angle at the centre. Find the area of the sector.
If the radius of a circle is doubled, its area becomes ____________.
