Questions

From Best to Worst

171 P4.AP.JM.17100155

Level 2
A rectangular piece of paper was folded as shown. Find the perimeter of the paper before it was folded.

2 m

Attempt

172 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

173 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

174 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

175 P6.RA.TL.16010110

Level 3
The figure is not drawn to scale. It is made up of a square and a rectangle. The ratio of the area of the square to that of the rectangle is 3 : 4. After the shaded part is cut out, the ratio of the area of unshaded part of the rectangle to that of the unshaded part of the square is 2 : 1. Given the length of the square is 9 cm, find the area of the shaded part.