Level 1
In the figure, what is the value of ∠a?
1 m
Level 1
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.
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.
2 m
Level 2
A square piece of paper is folded as shown in the figure.
  1. Find ∠ADE.
  2. Find ∠EDC.
2 m