Questions

From Worst to Best

211 P6.AN.NK.21060909

Level 2 PSLE
A piece of paper in the shape of an equilateral triangle is folded along the dotted line as shown. Find ∠x.

2 m

Attempt

212 P5.AN.JM.17083116

Level 2
In the figure, ABC is a triangle. AD = DC, ∠BDC = 118°. Find ∠q.

2 m

Attempt

Isosceles triangle Angles at a point

213 P6.PA.JM.18011213

Level 3
Study the pattern.

Complete the table.
How many dots are there on each side of the triangle if the total number of dots on the triangle is 102?

3 m

Video Attempt

Equal intervals

214 P6.AP.TL.17090736

Level 2
The figure is made up of a semicircle and an equilateral triangle. The diameter is 42 cm. Find its perimeter.

2 m

Attempt

Equilateral triangle Circumference Semicircle Composite figure perimeter

215 P5.PA.JM.17083157

Level 3
What is the difference in the number of squares and triangles in Pattern 45?

3 m

Attempt

Equal intervals Square Triangle

216 P5.AN.NK.23041249

Level 2
The figure is made up of ten identical isosceles triangles. O is the centre of the figure. Find ∠OJK.

2 m

Attempt

Isosceles triangle Angles at a point

217 P6.AN.NK.17052202

Level 2
A square piece of paper is folded as shown in the figure.

Find ∠ADE.
Find ∠EDC.

2 m

Attempt

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

218 P6.AN.JC.17050719

Level 2
The figure shows a rectangular piece of paper folded at corner C. Find ∠BAC.

2 m

Attempt

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

219 P5.AP.JM.17083217

Level 2
The figure shows a rectangle and two triangles. Find the shaded area.

2 m

Attempt

Rectangle Triangle Triangle common height Composite figure area

220 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.