Triangles Quiz | Triangles Online Test for Practice

31. If sum of measure of two angles is 90^o then angles are............angles.

1. Complementary
2. Supplementary
3. Congruent
4. Acute

32. If sum of measures of two angles is 180^o then angles are...........angles.

1. Complementary
2. Supplementary
3. Equal
4. Right

33. If the three altitudes of a triangle are congruent then the triangle is

1. Equilateral
2. Right angled
3. Isosceles
4. Acute angled

34. If two angles of a triangle are congruent then the sides opposite to them are

1. congruent
2. equal
3. non congruent
4. similar

35. If two legs of aright triangle are 6 cm and 8cm, then its hypotenuse is.

1. 14 cm
2. 12cm
3. 10cm
4. 9 cm

36. If two medians of a triangle are congruent then the triangle will be

1. Isosceles
2. Equilateral
3. Right angled
4. Acute angled

37. In a right triangle, the longest side is:

1. Perpendicular
2. Hypotenuse
3. Base
4. None of the above

38. In equilateral triangle each angle is of

1. 30^o
2. 60^o
3. 90^o
4. 180^o

39. In right-angled triangle if one angle is 30^o, then other angle will be

1. 15^o
2. 30^o
3. 45^o
4. 60^o

40. In right-angled triangle if one angle is 60^o, then other angle will be

1. 15^o
2. 30^o
3. 45^o
4. 60^o

41. In SAS congruency:

1. Corresponding sides are equal
2. Corresponding angles are equal
3. Two corresponding sides and angle included are equal
4. None of these

42. In-centre is the point of concurrency of three............of triangle.

1. Right bisectors
2. Angle bisectors
3. Altitudes
4. Medians

43. Median bisecting the base angle of an isosceles triangle bisects the..............angle.

1. base
2. vertical
3. right
4. acute

44. Medians of triangle are

1. equal
2. concurrent
3. congruent
4. parallel

45. One angle on the base of an isosceles triangle is 30^o. What is the measure of its vertical angle:

1. 30^o
2. 60^o
3. 90^o
4. 120^o