ANGLES

11 P5.AN.JM.17083131

Level 1
The figure shows an isosceles triangle XYZ. Given ∠XZY = 61°, find ∠XYZ.

1 m

Attempt

12 P5.AN.JM.17083219

Level 1
In the figure, AOB is a straight line and CO is perpendicular to OD. ∠DOE = 12 ° and ∠EOF = 148 °. Find ∠COF.

1 m

Video Attempt

Right angle Angles at a point

13 P5.AN.JM.17083223

Level 1
The figure is made up of straight lines. Find the unknown ∠y.

1 m

Attempt

Triangle Exterior angle of a triangle

14 P5.AN.JM.17083166

Level 3
In the figure, ACDF is a parallelogram, BCDE is a rhombus and BED is an equilateral triangle.

Find ∠CDB.
Given that AF = AE and ∠BAK = 50°. Find ∠EAK.

5 m

Video Attempt

Equilateral triangle Parallelogram Rhombus Alternate angles

15 P5.AN.JM.170831105

Level 3
In the figure, JKL is parallel to XYZ and the line XL cuts ∠KXZ into half. Given that LX and KY are straight lines, ∠JKX = 45°, ∠XYN = 42.5° and ∠KNL = 115°, find

∠a
∠c
∠b

5 m

Video Attempt

Vertically opposite angles Angles sum of triangle Interior angles

16 P5.AN.JM.17083167

Level 3
In the figure, ABCD and BPQR are two rhombuses. If ∠PQR = 114° and ∠ADC = 96°, calculate

∠QPR
∠QCB
∠RSC

5 m

Video Attempt

Isosceles triangle Rhombus Angles sum of triangle Exterior angle of a triangle Corresponding angles

17 P5.AN.JM.17083235

Level 1
ABCD is a parallelogram and CDE is an isosceles triangle. Find ∠ADC.

1 m

Attempt

Isosceles triangle Parallelogram Angles sum of triangle Interior angles

18 P5.AN.JM.17083112

Level 1
The figure shows an 8-point compass. After turning 225° clockwise, Janelle was facing Northeast (NE). Which direction was she facing at first? Give the answer in letter. (Eg N)

1 m

Attempt

Compass Working backwards

19 P5.AN.JM.17083106

Level 1
If Robert makes a 135° anti-clockwise turn, he will face South West. Where will Robert face is he makes a 270° clockwise turn from his original position? Give the answer in letter. (Eg N)