1 P5.AN.JM.17083130
Level 1
In the figure not drawn to scale has a triangle with 2 angles given. Find the third angle and answer as Y = yes or N = no if this angle is an isosceles triangle.
1 m
Isosceles triangle
2 P5.AN.JM.17083208
Level 1
In the figure, ACE and BCD are straight lines. AC = BC. CD = ED and ∠CAB = 55°. Find ∠CED.
1 m
Isosceles triangle Vertically opposite angles
3 P5.AN.JM.17083131
Level 1
The figure shows an isosceles triangle XYZ. Given ∠XZY = 61°, find ∠XYZ.
1 m
Isosceles triangle Angles sum of triangle
4 P6.AN.NK.21060907
Level 1 PSLE
PQRS is a square and PQ = PT. Find ∠QPT.
1 m
Square Isosceles triangle Right angle Angles sum of triangle
5 P5.AN.JM.17083167
Level 3
In the figure, ABCD and BPQR are two rhombuses. If ∠PQR = 114° and ∠ADC = 96°, calculate
  1. ∠QPR
  2. ∠QCB
  3. ∠RSC
5 m
Isosceles triangle Rhombus Angles sum of triangle Exterior angle of a triangle Corresponding angles
6 P5.AN.JM.17083235
Level 1
ABCD is a parallelogram and CDE is an isosceles triangle. Find ∠ADC.
1 m
Isosceles triangle Parallelogram Angles sum of triangle Interior angles
7 P6.AN.NK.21060920
Level 2 PSLE
In the figure, ABE is an equilateral triangle and BCDE is a rhombus ∠DAB = 38°. Find ∠CBE.
1 m
Equilateral triangle Isosceles triangle Rhombus Angles sum of triangle Interior angles
8 P6.AG.JC.17080442
Level 2
The perimeter of an isosceles triangle is (6k + 21) cm. The longest side is (2k + 7) cm. Find the length of one of the equal sides.
2 m
Algebra in 1 variable Algebra simplifying Length Area Perimeter Triangle
9 P5.AN.JM.17083136
Level 2
ACD and EBC are isosceles triangles. Find ∠m.
2 m
Isosceles triangle
10 P5.AN.NK.23041247
Level 2
ABC is an equilateral triangle and BCD is an isosceles triangle. DB = DC. Find ∠BDC.
2 m
Equilateral triangle Isosceles triangle Angles sum of triangle

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