Questions

From Worst to Best

11 P6.AN.RA.17081609

Level 1 PSLE
In the figure, EFG is an equilateral triangle and ∠FGH = 70°. Find ∠a.

2 m

Video Attempt

12 P6.AN.NK.21060924

Level 2 PSLE
ABCD is a trapezium, EA = EB and CBE is a straight line. Find ∠AEB.

2 m

Attempt

Equilateral triangle Isosceles triangle Parallelogram Trapezium Angles sum of triangle Alternate angles

13 P6.AP.TL.17090723

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

Attempt

Equilateral triangle Circumference Semicircle

14 P5.AN.JM.17083203

Level 2
The figure consists of a right-angled triangle PQR and an equilateral triangle RST. PRS and QRT are straight lines. Find ∠w.

2 m

Attempt

Equilateral triangle Vertically opposite angles Angles sum of triangle

15 P5.AN.JM.17083123

Level 2
Calculate the value of ∠HKG, given that triangle DEF is an equilateral triangle. ∠° = 38° and ∠DFH = 25°.

2 m

Attempt

Equilateral triangle Vertically opposite angles Angles sum of triangle

16 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

Equilateral triangle Angles sum of triangle Overlapping angles Folded figure

17 P5.RA.JM.17083127

Level 3
The figure, not drawn to scale, is made up of 3 equilateral triangles and 3 squares. Find the ratio of the length AB to the length CD to the length EF. (Express your answer in its simplest form).

3 m

Attempt

Finding ratio R Simplest form Area Perimeter Square & square root Equilateral triangle

18 P6.AP.TL.17090738

Level 2 PSLE
The shaded figure is formed using 3 squares and 3 equilateral triangles. The length of the straight line PQ is 15 cm. Find the perimeter of the shaded figure.