Triangle Quiz

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

45° 90° 60° 50°

2. Which of the following triangles are always similar?

Equilateral triangle Isosceles triangle Scalene Triangle Right Triangle

3. 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° 60°

4. A triangle can have

One Right Angle Two 45° Angle One 90° and Two 45° Angle All of these

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

a + b + c 2a 2b b

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

Obtuse Acute Right angle Reflex angle

7. A triangle having at least two equal sides.

Acute triangle Isosceles triangle Equilateral triangle Obtuse triangle

8. The sum of the measures of all three sides of a triangle.

Area Perimeter Diameter Radius