Class 7 - Properties Of Triangle Worksheet - 1
1. A triangle can have four vertices. Mark True / False.
a) True b) False
2. A triangle whose one angle is more than 90° is known as obtuse triangle. Mark True / False.
a) True b) False
3. All three sides of a triangle are unequal; it is known as equilateral triangle. Mark True / False.
a) True b) False
4. If all the three angles of a triangle are equal to 90°, then it is known as right-angled triangle. Mark True / False.
a) True b) False
5. All three sides of an equilateral triangle is equal. Mark True / False.
a) True b) False
6. Sum of all the angles of a triangle is equal to _____.
a) 90° b) 180°
c) 270° d) 360°
7. If one angle of a triangle is more than 90°, then it is known as _____ triangle.
a) Acute b) Right-angled
c) Obtuse d) Scalene
8. In an equilateral triangle measure of each angle is equal to _____.
a) 180° b) 90°
c) 270° d) 60°
9. A triangle has at least _____ acute angles.
a) 1 b) 2
c) 3 d) None of these
10. A triangle can not have more than _____ obtuse angles.
a) 1 b) 2
c) 3 d) None of these
11. The sum of all the three angles of a triangle is equal to _____ right angles.
a) 1 b) 2
c) 3 d) None of these
12. The number of medians in a triangle is equal to _____.
a) 1 b) 2
c) 3 d) None of these
13. A triangle formed by the sides of lengths 5 cm, 7 cm, and 5 cm is known as _____.
a) Right-angled triangle
b) Isosceles triangle
c) Equilateral triangle
d) Scalene triangle
14. A right-angled triangle can have two _____ angles.
a) Right b) Obtuse
c) acute d) None of these
15. A triangle whose angles measures are 25°, 65° and 90°, then it is known as _____.
a) Right-angled triangle
b) Isosceles triangle
c) Equilateral triangle
d) Scalene triangle
16. Which of the below mentioned angles can form a triangle?
a) 27°, 65°, 93° b) 25°, 75°, 90°
c) 25°, 65°, 80° d) 45°, 65°, 70°
17. In a triangle ABC, if ∠A = 45°, ∠B = 45° then ∠C is equal to _____.
a) 90° b) 45°
c) 65° d) 99°
18. If an isosceles triangle's both base angles are 35°, then the triangle is known as _____.
a) Right-angled triangle
b) Isosceles right-angled triangle
c) Equilateral triangle
d) Obtuse triangle
19. In a right-angled triangle the length of two sides are 3 cm and 4 cm. Find the length of hypotenuse.
a) 4 cm b) 5 cm
c) 6 cm d) 7 cm
20. If one angle of a triangle is equal to the sum of the other two angles which are equal, then the measure of these two angles is equal to _____.
a) 65° b) 45°
c) 90° d) 99°
If you want to download the above worksheet, please click below link.
Properties of Triangle Worksheet-1Download the pdf
Properties of Triangle Worksheet - 1
Properties of Triangle Worksheet - 2
Properties of Triangle Worksheet - 3
Answer Sheet
Properties-Of-Triangle-AnswerDownload the pdf
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