Advertisements
Advertisements
प्रश्न
In circle of radius 6cm, chord of length 10 cm makes an angle of 110° at the centre of circle find Area of the circle
उत्तर
Radius of circle (r) = 6 cm
Area of circle = 𝜋r2 =`22/7`× 6 × 6
=`792/7 cm^2`
APPEARS IN
संबंधित प्रश्न
An arc of a circle is of length 5π cm and the sector it bounds has an area of 20 π cm2. Find the radius of the circle.
The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour. (Take π = 3.14)
A horse is tied to a pole with 28m long string. Find the area where the horse can graze.
The hypotenuse of a right-angled triangle is 65 cm and its base is 60 cm. Find the length of perpendicular and the area of the triangle.
Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular cardboard of dimensions 14 cm ⨯ 7 cm. Find the area of the remaining cardboard.
Find the area of a quadrant of a circle whose circumference is 88 cm.
Find the area and perimeter of the following semi-circle :
Radius= 1.4 cm
The sum of diameter of two circles is 112 cm and the sum of their areas is 5236 cm2 Find the radii of the two circles.
Circumferences of two circles are equal. Is it necessary that their areas be equal? Why?
The circumferences of two circles are in the ratio 4 : 5. What is the ratio of their radii?
