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 right-angled triangle RST. Given that ∠PQR = 73°, what is the value of ∠QRS?

The figure shows a right-angled triangle RST. Given that ∠PQR = 73°, what is the value of ∠QRS?

2 m

Level 2

In the figure, UOV and SOT are straight lines. What is the sum of ∠SOP and ∠VOP?

In the figure, UOV and SOT are straight lines. What is the sum of ∠SOP and ∠VOP?

2 m

Level 2

The figure shows an isosceles triangle. What is the value of ∠q?

The figure shows an isosceles triangle. What is the value of ∠q?

2 m

Level 2

In the figure, ABCD is a rectangle and BDE is an isosceles triangle. Given that ∠BEC = 65°, find ∠DBE.

In the figure, ABCD is a rectangle and BDE is an isosceles triangle. Given that ∠BEC = 65°, find ∠DBE.

2 m

Level 2

In the figure, KJN is a straight line. LMJ is an isosceles triangle and KJL is an equilateral triangle. Find ∠OJN.

In the figure, KJN is a straight line. LMJ is an isosceles triangle and KJL is an equilateral triangle. Find ∠OJN.

2 m

Level 2

In the figure, QWR, SWT and UWV are straight lines. ∠x is half the size of ∠y and ∠SWV is 123°. Find ∠x.

In the figure, QWR, SWT and UWV are straight lines. ∠x is half the size of ∠y and ∠SWV is 123°. Find ∠x.

2 m

Level 2

In the figure, MON is a straight line. Given that the ratio of ∠a to ∠b is 1 : 2, what is the value of ∠b?

In the figure, MON is a straight line. Given that the ratio of ∠a to ∠b is 1 : 2, what is the value of ∠b?

2 m

Level 2

In the figure, find the unknown angles.

In the figure, find the unknown angles.

- ∠q
- ∠p

2 m