11 P5.AN.JM.17083260
Level 3
In the figure, O is the centre of the circle and OABC is a rhombus. Find the value of ∠a + ∠b + ∠c + ∠d.
3 m
Rhombus Angles sum of triangle Angles at a point Interior angles Angle properties within a circle
12 P5.AN.JM.17083171
Level 3
ABCD is a rhombus. ADE is an equilateral triangle. Find
  1. ∠EAB
  2. ∠ABD
4 m
Equilateral triangle Isosceles triangle Rhombus
13 P5.AN.JM.17083161
Level 3
In the figure, ABCD is a rhombus and ACE is a straight line. Find ∠BEC.
4 m
Isosceles triangle Rhombus Exterior angle of a triangle
14 P5.AN.JM.17083170
Level 3
ABCD is a rhombus. BO = BE. Find
  1. ∠y
  2. ∠x
4 m
Rhombus Interior angles
15 P5.AN.JM.17083165
Level 3
In the figure, ABDE is a rhombus and BD = BC. Given that ∠EAB = 118°, find ∠EBC.
4 m
Isosceles triangle Rhombus Angles on a straight line Angles sum of triangle

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