A Tale of Three Intersecting Lines MCQ: 7th Math Chapter 7 Quiz

1. In an equilateral triangle, all three sides are equal and all three angles are each ___°.

2. To construct ∆ABC given AB, AC, and ∠A, one first draws AB, then constructs ∠A, and marks C on the ___.

3. A triangle with sides 4 cm, 5 cm and included angle A = 45° is constructed by drawing AB, ∠A, and marking C on an arc of radius ___.

4. A triangle with two equal sides is called ___.

5. An obtuse-angled triangle has one angle __ 90°.

6. When paper is folded so a crease is perpendicular to a given line, that crease represents an __.

7. A triangle has three sides and three ___ that meet at its vertices.

8. Given two angles and the included side, the third vertex is found at the __ of the two angle arms.

9. The sum of the three interior angles of any triangle is always __.

10. Three collinear points do not form a ___ on the plane.