Chapter 12 – Areas Related to Circles
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.
25
Nov
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)
25
Nov
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)
25
Nov
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.
25
Nov
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.
25
Nov
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 [...]
Find the area of the sector of a circle of radius 5 cm, if the corresponding arc length is 3.5 cm.
25
Nov
Find the area of the sector of a circle of radius 5 cm, if the corresponding arc length is 3.5 cm. Find the area of the sector of a circle of radius 5 cm if the corresponding arc length is 3.5 cm. November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths [...]
Three circles each of radius 3.5 cm are drawn in such a way that each of them touches the other two. Find the area enclosed between these circles.
25
Nov
Three circles each of radius 3.5 cm are drawn in such a way that each of them touches the other two. Find the area enclosed between these circles. Three circles each of radius 3.5 cm are drawn in such a way that each of them touches the other two. Find the area enclosed between these [...]
In figure, ABCD is a trapezium with AB || DC. AB = 18 cm, DC = 32 cm and distance between AB and DC = 14 cm. If arcs of equal radii 7 cm with centres A, B, C and D have been drawn, then find the area of the shaded region of the figure.
25
Nov
In figure, ABCD is a trapezium with AB || DC. AB = 18 cm, DC = 32 cm and distance between AB and DC = 14 cm. If arcs of equal radii 7 cm with centres A, B, C and D have been drawn, then find the area of the shaded region of the figure. [...]
A circular pond is 17.5 m is of diameter. It is surrounded by a 2m wide path. Find the cost of constructing the path at the rate of ₹ 25 Per m^2?
25
Nov
A circular pond is 17.5 m is of diameter. It is surrounded by a 2m wide path. Find the cost of constructing the path at the rate of ₹ 25 Per m^2? A circular pond is 17.5 m is of diameter. It is surrounded by a 2m wide path. Find the cost of constructing the [...]
Find the area of the segment of a circle of radius 12 cm whose corresponding sector has a central angle of 60°. (use π = 3.14)
25
Nov
Find the area of the segment of a circle of radius 12 cm whose corresponding sector has a central angle of 60°. (use π = 3.14) Find the area of the segment of a circle of radius 12 cm whose corresponding sector has a central angle of 60°. (use π = 3.14) November 25, 2020 [...]