Triangle Quiz

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1.The kind of triangle which has two equal sides is called isosceles triangle

Yes No

2. All 3 interior angles of a triangle add up to 90⁰

Yes No

3. If a triangle has angles 135^o, 15^o, 30^o. Is it an obtuse triangle?

Yes No

4. A triangle has angles 60^o, 60^o, 60^o. Is it an equilateral triangle?

Yes No

5. If a triangle has 2 sides with equal lengths and 75^o angle between them. What is the type of triangle?

Equilateral Isosceles Both

6. If a triangle has angles 115^o, 25^o, 40^o. Is it an acute triangle?

Yes No

7. A triangle where all sides are congruent is called Scalene Triangle

Yes No

8. The perimeter of an equilateral triangle is 15cm. What is the length of one side?

15cm 45cm 5cm

9. If a triangle has sides of 2cm, 3cm, 4cm, what is the type of triangle?

Equilateral Isosceles Scalene

10. If a triangle has 2 angles of 75^o. What is the measure of third angle in degree?

25 30 20

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Score: For each correct answer you will get one point