Level 1 PSLE
A semicircle is drawn inside a box. Estimate the length of the diameter to the nearest whole number in cm.
1 m
Level 1
Find the perimeter of this semicircle. (Take π = 227)
1 m
Level 1
Find the area of this semicircle. Round off the answer to nearest 2 decimal place. (Take π = 3.14)
1 m
Level 2 PSLE
Five identical semi-circles are arranged as shown. Find the diameter of one circle.
2 m
Level 2 PSLE
R is one of the points inside the box. Identify point R by the number next to the dot to complete a triangle PQR so that PQ = PR. Give your answer in number. (Eg 1)
1 m
Level 2
Find the perimeter of the shaded figure. (Take π = 227)
2 m
Level 2
The figure shows a triangle enclosed within a semicircle. X is the centre of the semicircle. Find the area of the shaded part. (Take π = 3.14).
2 m
Level 2
The figure is made up of an equilateral triangle and a semi-circle of diameter 21 m. Find the perimeter of the figure. (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 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 = 227 )
2 m