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Triangles - Class IX Mathematics Quiz

Class IX
Mathematics
Triangles
15 questions
MEDIUM

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Preview questions

1. What is the sum of the angles in a triangle?

90 degrees · 180 degrees · 360 degrees · 270 degrees

2. Which of the following is a property of an isosceles triangle?

All sides are equal · Two sides are equal · No sides are equal · All angles are equal

3. In a right triangle, which angle measures 90 degrees?

Acute angle · Obtuse angle · Right angle · Straight angle

4. If two angles of a triangle are 50 degrees and 60 degrees, what is the third angle?

70 degrees · 80 degrees · 90 degrees · 100 degrees

5. What type of triangle has all sides of different lengths?

Equilateral triangle · Isosceles triangle · Scalene triangle · Right triangle