Quiz on triangles!

Here's a quiz on triangles. After selecting one option if you wish to change it, simply click on that desired option.

Q1. If a triangle has it's angles as 45°, 40°, 95°. Is it a obtuse angled triangle?

Yes No

Q2. If a triangle has 2 of it's angles as 65°, 35°, what will be the third angle? Is it a right angled triangle?

90°, Yes 80°, No

Q3. If a triangle has it's angles as 75°, 16°, 89°. Is it a acute angled triangle?

Yes No

Q4. If a triangle has 2 of it's angles as 115°, 15°, what will be the third angle?

35° 50° 40°

Q5. If a triangle has 1 of it's angles as 60° and remaining 2 angles equal then which type of triangle is it?

Right angled triangle Obtuse angled triangle Equilateral triangle

Q6. A triangle has 2 of it's sides length as 4 cm and 5 cm. If the perimeter of the triangle is 14 cm, then which type of triangle is it?

Right angled triangle Isosceles triangle Equilateral triangle

Q7. Can angles 75°, 40° and 55° form a triangle?

Yes No

Q8. A triangle has it's angles as 65°, 35° and 85°, then which type of triangle is it?

Acute angled triangle These angles can't form a triangle! Scalene triangle

Q9. A triangle has 2 of it's sides length as 10 cm and 20 cm. If the perimeter is 55 cm, then length on third side?

25 cm 35 cm 15 cm

Q10. If a triangle has 2 of it's angles as 25°, 50°, what will be the third angle?

105° 95° 115°