Class 6 - Triangle Worksheet 3
1. Two angles of a triangle are 84° and 38°. Find the third angle.
a) 48° b) 58°
c) 38° d) None of these
2. The angles of a triangle are in 2 : 3 : 4. Find the measure of each angle.
a) 20°, 30°, 130° b) 30°,50°, 100°
c) 40°, 60°, 80° d) None of these
3. The acute angles of a right angle triangle are in 2 : 3 ratio. Find the angles of the triangle.
a) 36°,54°, 80° b) 36°, 54°, 90°
c) 40°,60°, 80° d) None of these
4. One of the angles of a triangle is 1120 and the other two angles are equal. Find each of the equal angles.
a) 68° b) 44°
c) 45° d) 34°
5. One of the acute angles of a right angle triangle is 40°. Find the other acute angle.
a) 30° b) 40°
c) 50° d) 60°
6. In ABC triangle AB = BC and ∠B = 40°. Find each of the equal angles.
a) 70° b) 50°
c) 60° d) 80°
7. A right angle triangle can be an equilateral triangle. Mark True / False.
a) True° b) False
8. A right angle triangle can be an isosceles triangle. Mark True / False.
a) True b) False
9. A triangle can have all angles greater than 60°. Mark True / False.
a) True b) False
10. A triangle can have two acute angles. Mark True / False.
a) True b) False
11. A right triangle can have _________ angle.
a) Acute b) Obtuse
c) Zero d) Reflex
12. A triangle can have 90°, 50° and 50° angles. Mark True / False.
a) True b) False
13. A triangle can have three sides as 6 cm, 8 cm and 10 cm. Mark True / False.
a) True b) False
14. The sum of any two angles of a triangle is greater than the third angle. Mark True / False.
a) True b) False
15. An isosceles triangle can be a right angle triangle. Mark True / False.
a) True b) False
16. A scalene triangle has all it's sides equal. Mark True / False.
a) True b) False
17. A right angle triangle can have acute angle. Mark True / False.
a) True b) False
18. Each angle of an acute triangle is less than 100°. Mark True / False.
a) True b) False
19. If XYZ is a triangle with ∠Y is equal to 90° and XY = YZ, then XYZ is a __________ triangle.
a) Right Angle b) Acute
c) Obtuse d) Isosceles Right-Angle
20. If ABC is a triangle with ∠A = 50°, ∠B = 50° and ∠C = 80°, then ABC is a __________ triangle.
a) Acute b) Obtuse
b) scalene d) Isosceles
If you want to download the above worksheet, please click below link.
Triangle-3Download the pdf
Answer Sheet
Triangle-AnswerDownload the pdf
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