Questions

221 P6.AP.TL.17090744

Level 2 PSLE
Anna has a square piece of paper FGHJ of side 21 cm. She cut along the dotted lines shown in Figure 1 to get one small square of area 9 cm² and 8 identical right-angled triangles. Triangle KLM in Figure 2 is one such triangle. Find the length of KM.

2 m

Video Attempt

222 P5.AN.NK.23041248

Leve 2
The diagram is not drawn to scale. Given that RST and QSP are straight lines and QRS is an isosceles triangle, find ∠a.

2 m

Attempt

Isosceles triangle Vertically opposite angles Angles sum of triangle Angles at a point

223 P5.AP.JM.17083218

Level 2
In the figure not drawn to scale, the area of Triangle X is ³₅ of the area of Triangle Y. Given that the area of Triangle ABC is 72 cm², Find the area of Triangle Y.

2 m

Attempt

Triangle Composite figure area Fraction to units Units method

224 P6.AN.NK.17052205

Level 2
An equilateral triangle, XYZ, is folded as shown in the figure. Find

∠BAZ
∠YBZ.

2 m

Attempt

Equilateral triangle Angles on a straight line Angles sum of triangle Overlapping angles Folded figure

225 P5.AP.JM.17083188

Level 2
John cuts the shaded part out from a triangular cardboard as shown. What is the area of the cardboard left?

2 m

Attempt

Triangle Composite figure area

226 P5.AP.JM.17083207

Level 2
ABCD is a square. What is the area of the shaded part?

2 m

Attempt

Square Triangle Composite figure area

227 P6.AP.TL.17090713

Level 2 PSLE
In the figure, ABDF and BCEF are rectangles and CDE is a straight line. AB = 6 cm, AF = 8 cm and BF = 10 cm. Find the length of BC.

2 m

Video Attempt

Length Rectangle Right-angled triangle Composite figure area

228 P5.AN.JM.17083224

Level 2
The following figure is made up of straight lines. Find

∠z
∠y

2 m

Video Attempt

Exterior angle of a triangle

229 P6.AN.JC.23030117

Level 2 PSLE
A rectangular piece of paper is folded to form a trapezium ABCD. The two shaded triangles are identical. Find ∠x.

2 m

Attempt

Right angle Rectangle Isosceles triangle Trapezium Angles on a straight line Angles sum of triangle Angles at a point Overlapping angles Folded figure

230 P5.AP.JM.17083184

Level 2
The figure shows a rectangle measuring 30 cm by 16 cm. What is the area of the shaded part?

2 m

Attempt

Rectangle Triangle Composite figure area

231 P6.AP.TL.17090751

Level 2
The figure is not drawn to scale. Given that GL = GP, NM = 18 cm and the area of GHJK is 45 cm², find the area of the shaded parts.

2 m

Attempt

Triangle Composite figure area

232 P5.AN.JM.17083221

Level 2
In the figure, what is the value of ∠t?

2 m

Attempt

Right angle Exterior angle of a triangle

233 P6.AN.NK.17050212

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

Attempt

Circle Exterior angle of a triangle Sum of angles in a quadrilateral

234 P6.AP.TL.17090714

Level 2 PSLE
In the figure, MN = 7 cm, NO = 9 cm, OP = 3 cm and PM = 11 cm. ∠MNO and ∠OPM are right angles. Find the area of the figure MNOP.

2 m

Attempt

Right-angled triangle Composite figure area

235 P5.AN.JM.17083137

Level 2
The figure shown is not drawn to scale. ABC is an isosceles triangle and XY is a straight line. Find ∠a.

2 m

Attempt

Isosceles triangle Angles on a straight line Exterior angle of a triangle

236 P5.AP.JM.17083183

Level 2
The figure shows a rectangle measuring 28 cm by 23 cm. What is the area of the unshaded parts?

2 m

Attempt

Rectangle Triangle Composite figure area

237 P6.AN.NK.17051713

Level 2
Find the sum of ∠m, ∠n, ∠p, ∠l and ∠k.

2 m

Video Attempt

Angles sum of triangle Sum of angles in a quadrilateral

238 P5.AP.JM.17083208

Level 2
The figure is made up of 2 triangles, ABC and ACD. The length of AD is thrice as much as the length of BC. AB is perpendicular to AD and BC. Find the area of figure ABCD.