Question:

Level 2

The figure is made up of 5 semicircles. AB : BC : CD : DE is 2 : 3 : 1 : 4. Line AE is 28 cm. Find the perimeter of the shaded part. (Take π =^{22}_{7} )

The figure is made up of 5 semicircles. AB : BC : CD : DE is 2 : 3 : 1 : 4. Line AE is 28 cm. Find the perimeter of the shaded part. (Take π =

2 m

Level 2

The figure is made up of 2 semicircles with diameters 8 cm and 16 cm respectively. What is the perimeter of the figure? (Take π =^{22}_{7})

The figure is made up of 2 semicircles with diameters 8 cm and 16 cm respectively. What is the perimeter of the figure? (Take π =

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)

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)

Find the perimeter of the shaded figure. (Take π = 3.14)

2 m

Level 2 PSLE

The shaded figure is formed using 3 squares and 3 equilateral triangles. The length of the straight line PQ is 15 cm. Find the perimeter of the shaded figure.

The shaded figure is formed using 3 squares and 3 equilateral triangles. The length of the straight line PQ is 15 cm. Find the perimeter of the shaded figure.

2 m

Level 2

The figure is made up of 3 rectangles and 3 semi-circles. Find the perimeter of the figure. (Take π =^{22}_{7}) Round off the answer to the nearest whole number.

The figure is made up of 3 rectangles and 3 semi-circles. Find the perimeter of the figure. (Take π =

2 m

Level 2

The figure is formed by 6 identical squares with 4 similar semi-circles cut out from it. Each square has a side of 14 cm. Find the perimeter of the shaded figure. Express the answer in terms of π.

The figure is formed by 6 identical squares with 4 similar semi-circles cut out from it. Each square has a side of 14 cm. Find the perimeter of the shaded figure. Express the answer in terms of π.

2 m

Level 2

The figure is formed by 5 identical squares with 3 similar semi-circles cut out from it. Each square has a side of 14 cm. Find the perimeter of the shaded figure. Leave the answer in terms of π.

The figure is formed by 5 identical squares with 3 similar semi-circles cut out from it. Each square has a side of 14 cm. Find the perimeter of the shaded figure. Leave the answer in terms of π.

2 m

Level 2

The figure is made up of a semicircle and an equilateral triangle. The diameter is 42 cm. Find its perimeter.

The figure is made up of a semicircle and an equilateral triangle. The diameter is 42 cm. Find its perimeter.

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 =^{22}_{7})

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 =

2 m