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Mathematics Quiz: Triangles

Class IX
Mathematics
Triangles
12 questions
HARD

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Preview questions

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

90 degrees · 180 degrees · 270 degrees · 360 degrees

2. In a triangle, if one angle is 90 degrees, what type of triangle is it?

Acute · Obtuse · Right · Equilateral

3. 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 acute

4. If two angles of a triangle are 45 degrees each, what is the third angle?

45 degrees · 90 degrees · 60 degrees · 30 degrees

5. What is the relationship between the sides of a right triangle according to the Pythagorean theorem?

a + b = c · a^2 + b^2 = c^2 · a^2 - b^2 = c^2 · a + b + c = 360