AREA PERIMETER

21 P5.AP.JM.17083122

Level 1
In Triangle PQR, name the base given that the height is PT.

1 m

Attempt

Triangle

22 P1.AP.JC.18100610

Level 3
How many triangles, big and small, are there in the picture?

4 m

Attempt

Triangle Counting

23 P5.AP.JC.17083107

Level 1
Look at the figure. AB is the base of Triangle ABC. What is the height of Triangle ABC?

1 m

Attempt

Length Triangle

24 P5.AP.JC.17083156

Level 1
Look at the figure. AB is the base of Triangle ABC. What is the height of Triangle ABC?

1 m

Attempt

Length Triangle

25 P2.AP.JM.17121902

Level 1
How many semicircles make 4 circles?

1 m

Attempt

Circle Semicircle

26 P5.AP.JC.17083157

Level 1
Look at the figure. AB is the base of Triangle ABD. What is the height of Triangle ABD?

1 m

Attempt

Length Triangle

27 P6.AP.JC.22031802

Level 1 PSLE
The circle has centre O. COF and AOE are straight lines. Which statement is correct? Give your answer in number. (Eg 1)
(1) Radius: OA; Diameter: CF
(2) Radius: DB; Diameter: AE
(3) Radius: AE; Diameter: OC

1 m

Attempt

Length Circle

28 P5.AP.JC.17083158

Level 1
Look at the figure. AB is the base of Triangle ABC. What is the height of Triangle ABC?

1 m

Attempt

Length Triangle

29 P5.AP.JC.17083108

Level 1
In the figure , ABCD is a rectangle and DEF is a triangle. The points B, F, A and E lie on a straight line. What is the height of triangle DEF given that its base is EF?

1 m

Attempt

Length Rectangle Triangle

30 P5.AP.NK.23022701

Level 1
Find the area of Triangle XYZ.

1 m

Attempt

Triangle Grid square

31 P6.AP.TL.17090705

Level 1
Find the circumference of this circle. (Take π = 3.14)

1 m

Attempt

Circle Circumference

32 P5.AP.JM.17083129

Level 1
Triangles ABC, DEF, GHJ, KLM and PQR are drawn on the square grid. Which triangle has the same area as triangle ABC?

1 m

Attempt

Triangle Grid square Equal stage

33 P6.AP.TL.17090704

Level 1
Find the circumference of this circle. (Take π = 3.14)

1 m

Video Attempt

Circle Circumference

34 P6.AP.TL.17090706

Level 1
Find the area of this circle. (Take π = ²²₇)

1 m

Attempt

Circle Circle area

35 P6.AP.NK.21060413

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

Attempt

Length Semicircle Grid dots

36 P5.AP.JM.17083120

Level 1 PSLE
In the square grid, P is a square, Q is a right-angled triangle and R is an equilateral triangle. Arrange P, Q and R from the smallest area to the largest.