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#### Geometry One Mark Questions

6th Standard

Reg.No. :
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Maths

Time : 00:30:00 Hrs
Total Marks : 18
8 x 1 = 8
1. The given triangle is ___________

(a)

a right angled triangle

(b)

an equilateral triangle

(c)

a scalene triangle

(d)

an obtuse angled triangle

2. If all angles of a triangle are less than a right angle, then it is called ______________.

(a)

an obtuse angled triangle

(b)

a right angled triangle

(c)

an isosceles right angled triangle

(d)

an acute angled triangle

3. If two sides of a triangle are 5 cm and 9 cm, then the third side is ______________

(a)

5 cm

(b)

3 cm

(c)

4 cm

(d)

14 cm

4. The angles of a right angled triangle are

(a)

acute, acute, obtuse

(b)

acute, right, right

(c)

right, obtuse, acute

(d)

acute, acute, right

5. An equilateral triangle is

(a)

an obtuse angled triangle

(b)

a right angled triangle

(c)

an acute angled triangle

(d)

a scalene triangle

6. Which of the following correctly describes the given triangle?

(a)

It is a right isosceles triangle.

(b)

It is an acute isosceles triangle.

(c)

It is an obtuse isosceles triangle.

(d)

It is an obtuse scalene triangle.

7. Which of the following is not possible?

(a)

An obtuse isosceles triangle

(b)

An acute isosceles triangle

(c)

An obtuse equilateral triangle

(d)

An acute equilateral triangle

8. Which of the following can be the sides of an isosceles triangle?

(a)

6cm, 3cm, 3cm

(b)

5cm, 2cm, 2cm

(c)

6cm, 6cm,7cm

(d)

4cm, 4cm, 8cm

9. 5 x 1 = 5
10. Every triangle has at least __________ acute angles.

()

two

11. A triangle in which none of the sides equal is called a ______________

()

scalene triangle

12. In an isosceles triangle ______________ angles are equal.

()

two

13. The sum of three angles of a triangle is ___________.

()

180°

14. A right angled triangle with two equal sides is called _____________.

()

isosceles right angled triangle

15. 5 x 1 = 5
16. No sides are equal

17. (1)

Right angled triangle

18. One right angle

19. (2)

Equilateral triangle

20. One obtuse angle

21. (3)

Obtuse angled triangle

22. Two sides of equal length

23. (4)

Scalene triangle

24. All sides are equal

25. (5)

Isosceles triangle