Chapter 12 – Areas Related to Circles

Is the following statement true? Give reasons for your answer. Area of a segment of a circle = area of the corresponding sector – area of the corresponding triangle. Is the following statement true? Give reasons for your answer. Area of a segment of a circle = area of the corresponding sector – area of [...]

If theta is the angle ( in degree ) of a sector of a circle of radius r then area of sector is If theta is the angle ( in degree ) of a sector of a circle of radius r then area of sector is November 25, 2020 Category: Chapter 12 - Areas Related [...]

If the area of a circle is 154 cm^2 , then its perimeter is If the area of a circle is 154 cm^2 then its perimeter is November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 ,

Find the difference of the areas of a sector of angle 120° and its corresponding major sector of a circle of radius 21 cm. Find the difference of the areas of a sector of angle 120° and its corresponding major sector of a circle of radius 21 cm. November 25, 2020 Category: Chapter 12 - [...]

Find the difference of the areas of two segments of a circle formed by a chord of length 5 cm subtending an angle of 90° at the centre. Find the difference of the areas of two segments of a circle formed by a chord of length 5 cm subtending an angle of 90° at the [...]

Find the number of revolutions made by a circular wheel of area 1.54 m^2 in rolling a distance of 176 m. Find the number of revolutions made by a circular wheel of area 1.54 m^2 in rolling a distance of 176 m. November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths [...]

Find the area of the shaded region given in figure Find the area of the shaded region given in figure November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 ,

The central angles of two sectors of circles of radii 7 cm and 21 cm are respectively 120° and 40°. Find the areas of the two sectors as well as the lengths of the corresponding arcs. What do you observe? Find the area of the segment of a circle of radius 12 cm whose corresponding [...]

Area of a sector of central angle 200° of a circle is 770 cm^2. Find the length of the corresponding arc of this sector. Area of a sector of central angle 200° of a circle is 770 cm^2. Find the length of the corresponding arc of this sector. November 25, 2020 Category: Chapter 12 - [...]

The length of the minute hand of a clock is 5 cm. Find the area swept by the minute hand during the time period 6 : 05 am and 6 : 40 am The length of the minute hand of a clock is 5 cm. Find the area swept by the minute hand during the [...]