Interactive Quiz: Properties of Triangles (Class 7) Math

 Interactive quiz on the topic "Properties of Triangles" for Class 7. 

Interactive Quiz: Properties of Triangles (Class 7) Maths 

Instructions: Select the correct answer for each question.

1. What is the sum of the angles in a triangle?

   a) 90 degrees

   b) 180 degrees

   c) 270 degrees

   d) 360 degrees

2. A triangle with all sides of different lengths is called a:

   a) Scalene triangle

   b) Equilateral triangle

   c) Isosceles triangle

   d) Right triangle

3. In an equilateral triangle, each angle measures:

   a) 30 degrees

   b) 45 degrees

   c) 60 degrees

   d) 90 degrees

4. The longest side of a right triangle is called the:

   a) Hypotenuse

   b) Base

   c) Perpendicular

   d) Adjacent side

5. Which property states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side?

   a) Pythagoras' theorem

   b) Triangle inequality theorem

   c) Sine rule

   d) Cosine rule

6. If two angles of a triangle are 45 degrees and 75 degrees, what is the measure of the third angle?

   a) 60 degrees

   b) 30 degrees

   c) 90 degrees

   d) 120 degrees

7. A triangle with angles 60 degrees, 70 degrees, and 50 degrees is:

   a) Acute-angled triangle

   b) Right-angled triangle

   c) Obtuse-angled triangle

   d) Equilateral triangle

8. What is the name of the theorem that relates the squares of the lengths of the sides of a right triangle?

   a) Triangle inequality theorem

   b) Cosine rule

   c) Pythagoras' theorem

   d) Sine rule

9. If one angle of a triangle is 90 degrees, the triangle is called a/an:

   a) Acute-angled triangle

   b) Right-angled triangle

   c) Obtuse-angled triangle

   d) Equilateral triangle

10. What property do all the angles in a triangle share?

    a) They are all equal

    b) They add up to 90 degrees

    c) They add up to 180 degrees

    d) They are all acute angles

Answers and Hints:

1. b) 180 degrees

2. a) Scalene triangle

3. c) 60 degrees

4. a) Hypotenuse

5. b) Triangle inequality theorem

6. b) 30 degrees

7. c) Obtuse-angled triangle

8. c) Pythagoras' theorem

9. b) Right-angled triangle

10. c) They add up to 180 degrees

Good luck with the quiz!

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