Fun with Triangles

Quiz on triangles

For each correct answer you will get 1 point

What is the third angle for the triangle where angle1 = 45° and angle2 = 45°?

45°

90°

60°

What is the third angle for the triangle where angle1 = 45° and angle2 = 45°?

obtuse

acute

right-angled

A triangle can have

one right angle

two right angle

Which of the following can form a right angled triangle?

Equilateral triangle

Isoceles triangle

If one angle of a triangle is obtuse, then which one of the following is the possible measure of remaining angles?

100°

85°

If the largest angle in a triangle is 70°, what is the least possible value of the smallest angle of the triangle?

30°

10°

The perimeter of scalene triangle with sides a, b, c is

a + b + c

none of these

A scalene triangle has ___ lines of symmetry

two

There is a right triangle PQR where: angle Q = 90°; angle P = angle R. What is the measure of angles P and R?

85°

65°

45°