Question:

Level 1

In the figure, AB, CD and EF are straight lines. ∠COE = 65° and ∠BOD = 29°. Find ∠AOF.

In the figure, AB, CD and EF are straight lines. ∠COE = 65° and ∠BOD = 29°. Find ∠AOF.

1 m

Level 2

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

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

2 m

Level 1

In the figure, not drawn to scale, PQRS is a rhombus. ∠QSP is 53°. RST is a straight line. Find ∠PST.

In the figure, not drawn to scale, PQRS is a rhombus. ∠QSP is 53°. RST is a straight line. Find ∠PST.

2 m

Level 2

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

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

- Find ∠ADE.
- Find ∠EDC.

2 m

Level 2

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

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

- ∠BAZ
- ∠YBZ.

2 m

Level 2

A rectangular strip of paper is folded at an angle of a° to the side, forming an angle of 40° as shown. What is the value of ∠a?

A rectangular strip of paper is folded at an angle of a° to the side, forming an angle of 40° as shown. What is the value of ∠a?

2 m

Level 2

In the figure, ABC and XYZ are equilateral triangles, and ∠BGX = 84°. Find ∠CHZ.

In the figure, ABC and XYZ are equilateral triangles, and ∠BGX = 84°. Find ∠CHZ.

2 m

Level 3

In the figure, not drawn to scale, JKL is an isosceles triangle, KLMN is a parallelogram and NKJ is a straight line. Find ∠NQP.

In the figure, not drawn to scale, JKL is an isosceles triangle, KLMN is a parallelogram and NKJ is a straight line. Find ∠NQP.

3 m

Level 3

In the figure not drawn to scale, a piece of paper that is of parallelogram shape is folded at two comers P and Q as shown. Find ∠a.

In the figure not drawn to scale, a piece of paper that is of parallelogram shape is folded at two comers P and Q as shown. Find ∠a.

3 m