Level 2
The figure shows a circle. O is the centre and the diameter XOY is 42 cm long. Each of the shaded part is formed by the radius of the big circle and 2 identical quarter arcs. Find the total area of the shaded parts in the figure. (Take π = 227)
2 m
Level 2
5 identical quarter circles were cut out from a square cardboard of length 18 cm. Find the area of the 5 quarter circles. Leave the answer in terms of π.
2 m
Level 2
The figure, not drawn to scale, consists of a rectangle ABFG, a square BCDF, and 2 identical quadrants AGE and BFD. AG = 8 cm and FG = 4 cm. Find the shaded area. (Take π = 227)
2 m
Level 2
The figure is made up of 2 similar quadrants and a semicircle in a rectangle. The diameter of the semicircle is 28 cm. Find the perimeter of the shaded part. (Take π = 227)
2 m
Level 2
The figure is made up of 2 identical circles with centres O and L. OKLM is a square of sides 10 cm. Find the area of the shaded part.
2 m
Level 2
The figure is made up of 2 quadrants with radii 16 cm and 8 cm respectively. Find the perimeter of the figure. (Take π = 3.14)
2 m
Level 2
Find the perimeter of the shaded figure. (Take π = 3.14)
2 m
Level 2
The diagram shows a semicircle with a diameter of 21 cm. Quadrant CDB has the centre A. The line AB divides the quadrant equally into 2 parts. Find the perimeter of the shaded region. (Take π = 227)
2 m
Level 2
In the figure, not drawn to scale, O and C are the centres of the circles. AC is a straight line. Find ∠z.
2 m
Level 2
The figure shows 2 identical small circles of diameter 12 cm inside a big circle of radius 12 cm. Find the area of the unshaded part of the big circle. Express the answer in terms of π.
2 m
Level 2
The figure (not drawn to scale) is made of two concentric circles. AB is the radius of the bigger circle. AC is the radius of the smaller circle. AB is 35 cm while AC is 14 cm. Find the area of the shaded region. (Take π = 227)
2 m
Level 2
This figure is made up of two semicircles. Find the area of this figure. (Take π = 227)
2 m
Level 2
The figure is made up of a rectangle and 2 quadrants. If the length of the rectangle is 16 m and the breadth of the rectangle is 8 m, find the area of the shaded area. (Take π as 3.14)
2 m
Level 2
The figure shows two identical semicircles. X and Y are the centres of the semicircles. Line AB is 60 cm. 15 of each semicircle is shaded. Find the total area of the shaded parts. (Take π = 3.14)
2 m
Level 2
The figure is made up of a circle and a square, KLMO of area 25 cm2. K is the centre of the circle. Calculate the total shaded area of the figure. (Take π = 3.14)
2 m
Level 2
The shaded figure is made up of 4 quarter arcs of radius 12 cm. Find its area. (Take π = 3.14)
2 m
Level 2
The figure is made up of a quadrant, a square and a semicircle. The area of the square is 169 cm2. Find the area of the shaded parts. (Take π = 3.14)
2 m
Level 2
The figure is formed by 2 semicircles, 2 identical quarter circles and a square ABCD. The perimeter of square ABCD is 60 cm. What is the total area of the shaded parts? Express the answer in the nearest whole number. (Take π = 3.14)
2 m
Level 2
Find (a) the area and (b) the perimeter of the figure. (Take π = 227)
2 m
Level 1
The figure is made up of a rectangle and a semi-circle. The diameter of the circle is 80 cm. Find the area of the shaded part. (Take π = 3.14)
2 m