Chapter 12 – Areas Related to Circles

An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm. Find the area between the two consecutive ribs of the umbrella. An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm. Find the area between [...]

A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal sectors as shown in fig find: (i) The total length of the silver wire required. (ii) The area of each sector of [...]

A horse is tied to a peg at one corner of a square shaped grass field of side 15m by means of a 5m long rope. Find (i) the area of that part of the field in which the horse can graze. (ii) The increase in the grazing area if the rope were 10m long [...]

A chord of a circle of radius 12 cm subtends an angle of 120 degree at the centre. Find the area of the corresponding segment of the circle.(Use π=3.14 and root 3=1.73 A chord of a circle of radius 12 cm subtends an angle of 120 degree at the centre. Find the area of the [...]

A chord of a circle of radius 15cm subtends an angle of 60 degree at the centre. Find the areas of the corresponding minor and major segments of the circle. (Use π=3.14 and root3 = 1.73) A chord of a circle of radius 15cm subtends an angle of 60 degree at the centre. Find the [...]

In a circle of radius 21 cm, an arc subtends an angle of 60 degree at the centre. Find (i) the length of the arc (ii) area of the sector formed by the arc (iii) the area of the segment made by the corresponding chord an arc subtends an angle of 60 degree at the [...]

A chord of a circle of radius 10cm subtends a right angle at the centre. Find the area of the corresponding : (i) minor segment (ii) major sector. (Use π=3.14) A chord of a circle of radius 10cm subtends a right angle at the centre. Find the area of the corresponding : (i) minor segment [...]

The length of the minute hand of a clock is 14 cm. find the area swept by the minute hand in 5 min. The length of the minute hand of a clock is 14 cm. find the area swept by the minute hand in 5 min. October 6, 2020 Category: Chapter 12 - Areas Related [...]

Find the area of a quadrant of a circle whose circumference is 22 cm. Find the area of a quadrant of a circle whose circumference is 22 cm. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 ,

Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree. Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths [...]