Level 1
In the figure, what is the value of ∠t?
2 m
Level 2
In the figure, AOB, COD, EOF and GOH are straight lines. Find ∠s + ∠k + ∠l + ∠m + ∠n + ∠p + ∠q + ∠r.
2 m
Level 1
In the figure, what is the sum of ∠x and ∠y?
2 m
Level 1
In the figure, ABC is an equilateral triangle and ∠BCD = 80°. Find ∠z.
2 m
Level 1
In the figure, what is the value of ∠x?
2 m