Level 2
XYZ and OYZ are isosceles triangles. XY = XZ, OY = OZ, ∠XYO = 18° and ∠YOZ = 80°. Find ∠a.
2 m
Level 2
If ∠x is 120 °, find the sum of ∠u, ∠v, ∠w, ∠y,and ∠z.
2 m
Level 2
The figure shows 4 triangles. Find the sum of ∠m + ∠n + ∠h + ∠j + ∠k + ∠l.
2 m
Level 1
ACDF is a rectangle where ABEF and BCDE are identical squares. Given that ∠FCD = 65°, find ∠BFC.
2 m
Level 1
The diagram is a kite, find the value of ∠y.
2 m