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

45° 60° 90°

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

acute right angled obtuse

A triangle can have ?

one right angle two right angles

Which of the following can form a right angled triangle ?

7, 8, 17 12, 16, 20

Which of the following triangles are always similar ?

Equilateral Triangle Isosceles 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 ?

40° 10°

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

a + b + c 2a None of these

A scalene triangle has ___ lines of symmetry

2 0 15

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°