Question:

Level 3

The figure is made up of a big circle and 4 small identical circles. The diameter of the small circle is 28 cm. Find the shaded area. (Take π = 3.14)

The figure is made up of a big circle and 4 small identical circles. The diameter of the small circle is 28 cm. Find the shaded area. (Take π = 3.14)

4 m

Level 3

The figure is formed by 4 identical shaded rectangles and an unshaded square. The area of the unshaded square is 49 cm^{2}. Find the total area of the 4 shaded rectangles.

The figure is formed by 4 identical shaded rectangles and an unshaded square. The area of the unshaded square is 49 cm

4 m

Level 3

In the figure, PQRS is a rectangle with a perimeter of 84 cm. PU, PR, TU and TR are straight lines. The length of PQ is twice the length of QR.

In the figure, PQRS is a rectangle with a perimeter of 84 cm. PU, PR, TU and TR are straight lines. The length of PQ is twice the length of QR.

- What is the area of rectangle PQRS?
- Given that the area of triangle TRU is 91 cm
^{2}

, find the area of triangle SPU.

4 m

Level 3

The figure, not drawn to scale, is made up of a square and three rectangles. The square has an area of 81 cm^{2}. What is the area of Rectangle X?

The figure, not drawn to scale, is made up of a square and three rectangles. The square has an area of 81 cm

4 m

Level 3 PSLE

The figure shows a path of width 3 m in a rectangular park of length 42 m. The outline of the path is made up of quarter circles with centre A, semicircles with centre D and straight lines. AB = CD.

The figure shows a path of width 3 m in a rectangular park of length 42 m. The outline of the path is made up of quarter circles with centre A, semicircles with centre D and straight lines. AB = CD.

- What is the width of the rectangular park?
- Find the area of the path. Take π = 3.14.

4 m

Level 3

Triangle ABC and Triangle DBC share the same base BC. The height of Triangle ABC is 4 times the height of Triangle DBC. Given that DE is 4 cm and BC is 13 cm, Find the area of the shaded part.

Triangle ABC and Triangle DBC share the same base BC. The height of Triangle ABC is 4 times the height of Triangle DBC. Given that DE is 4 cm and BC is 13 cm, Find the area of the shaded part.

4 m

Level 3 PSLE

Tom designed a logo as shown. The logo is made up of 2 small identical quarter circles, a large quarter circle and 2 straight lines drawn inside a square of side 42 cm. The radius of each small quarter circle is 14 cm.

Tom designed a logo as shown. The logo is made up of 2 small identical quarter circles, a large quarter circle and 2 straight lines drawn inside a square of side 42 cm. The radius of each small quarter circle is 14 cm.

- What is the perimeter of the shaded part?
- What is the area of the shaded part?

4 m

Level 3

The figure, not drawn to scale, is made up of 2 squares and 2 rectangles. What is the area of Rectangle A?

The figure, not drawn to scale, is made up of 2 squares and 2 rectangles. What is the area of Rectangle A?

4 m

Level 3

In the figure, CEGH is a quadrilateral with an area of 110 cm^{2}. The ratio of AH to HG to GF is 4 : 3 : 2. Given that the height of Triangle HOF is 20 cm, AF = 36 cm, and BH = 10 cm. Find the area of the figure.

In the figure, CEGH is a quadrilateral with an area of 110 cm

4 m

Level 3

The figure is made up of 4 rectangles. Find the perimeter of the whole figure.

The figure is made up of 4 rectangles. Find the perimeter of the whole figure.

4 m