1 P6.AN.JC.17050719
Level 2
The figure shows a rectangular piece of paper folded at corner C. Find ∠BAC.
2 m
Folder figure Angles on a straight line Right angle Sum of angles in a triangle Overlapping angles
2 P6.AN.NK.17052101
Level 2
The figure shows 4 triangles. Find the sum of ∠m + ∠n + ∠h + ∠j + ∠k + ∠l.
2 m
Vertically opposite angles Angles sum of triangle
3 P6.AN.NK.17052104
Level 2
If ∠x is 120 °, find the sum of ∠u, ∠v, ∠w, ∠y,and ∠z.
2 m
Angles sum of triangle
4 P6.AN.RA.17081609
Level 1
In the figure, EFG is an equilateral triangle and ∠FGH = 70°. Find ∠a.
2 m
Equilateral triangle Angles at a point
5 P6.AN.NK.17051707
Level 1
In the figure, ABCD is a square. CEF and AEF are isosceles triangles and ∠BAE = 25°. Find ∠AFE.
2 m
Right angle Square Isosceles triangle
6 P6.AN.NK.17052202
Level 2
A square piece of paper is folded as shown in the figure.
  1. Find ∠ADE.
  2. Find ∠EDC.
2 m
Square Angles on a straight line Angles sum of triangle Overlapping angles Folded figure
7 P6.AN.NK.17052205
Level 2
An equilateral triangle, XYZ, is folded as shown in the figure. Find
  1. ∠BAZ
  2. ∠YBZ.
2 m
Equilateral triangle Angles on a straight line Angles sum of triangle Overlapping angles Folded figure
8 P6.AN.NK.17051711
Level 2
XYZ and OYZ are isosceles triangles. XY = XZ, OY = OZ, ∠XYO = 18° and ∠YOZ = 80°. Find ∠a.
2 m
Isosceles triangle Angles sum of triangle
9 P6.AN.NK.17051725
Level 2
In the figure, ABCD is a parallelogram and BEF is a triangle. EG is a straight line and HG is parallel to DC. ∠DGH = 110° and ∠ADG = 130°. Find ∠ABC.
2 m
Triangle Parallelogram Angles at a point Alternate angles
10 P6.AN.NK.17052105
Level 2
The figure, not drawn to scale, shows a regular 5-point star and ∠a = ∠b = ∠c = ∠d = ∠e.
  1. Express ∠f as a sum of two angles. Give the answers in equation. (Eg ∠a + ∠b)
  2. lf ∠e = 32°, find ∠f.
2 m
Angles sum of triangle in a star Exterior angle of a triangle

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