NCERT Class 10

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 [...]

An archery target has three regions formed by three concentric circles as shown in figure. If the diameters of the concentric circles are in the ratio 1:2:3, then find the ratio of the areas of three regions. An archery target has three regions formed by three concentric circles as shown in figure. If the diameters [...]

All the vertices of a rhombus lie on a circle. Find the area of the rhombus, if area of the circle is 1256 cm^2, (use π = 3.14) (use π = 3.14) All the vertices of a rhombus lie on a circle. Find the area of the rhombus if area of the circle is 1256 [...]

Floor of a room is of dimensions 5m x 4m and it is covered with circular tiles of diameters 50 cm each as shown in figure. Find area of floor that remains uncovered with tiles, (use π = 3.14) (use π = 3.14) Floor of a room is of dimensions 5m x 4m and it [...]

On a square cardboard sheet of area 784 cm^2, four congruent circular plates of maximum size are placed such that each circular plate touches the other two plates and each side of the square sheet is tangent to two circular plates. Find the area of the square sheet not covered by the circular plates. arcs [...]

Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that each piece touches other two pieces. Find the area of the portion enclosed between these pieces. Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that each piece touches [...]