Across
- 4. Two parallel lines intersect at:
- 5. If two lines intersect each other, then the vertically opposite angles are:
- 6. an angle which is 90
- 7. if one angle of a triangle is equal to the sum of the other two angles, then the triangle is
- 8. Intersecting lines cut each other a
Down
- 1. two angles whose sum is equal to 180° are called:
- 2. the angles of a triangle are in the ratio 5 : 3: 7. The triangle is
- 3. a line joining two endpoints is called: