- A60°, 60°, 70°
- B50°, 60°, 70°
- C90°, 90°, 10°
- D40°, 50°, 100°
Step-by-Step Solution
The angles must sum to 180°. 50 + 60 + 70 = 180°. The others give 190, 190 and 190 respectively, so they are invalid.
Answer: B) 50°, 60°, 70°
Which set of three angles can form a triangle?
Class 7Angle Sum PropertyTriangles
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Angle Sum Property practice questions
More Class 7 Angle Sum Property practice
In a triangle, one angle is 110°. What can be said about the triangle?One angle of a triangle equals the sum of the other two. That angle is:Which of these CANNOT be the set of angles of a triangle?Arjun measures the three angles of a triangular flag as 65°, 65° and 55° with his…Meena folds a square piece of paper along its diagonal to make a triangle. The square's…