Viva Voce: Verify that in a Triangle, Longer Side has the Greater Angle | Lab Manuals for Class 9

Q.1. Does sum of any two sides of a triangle is always smaller than the third side?

No, because the sum of any two sides of a triangle is always greater than the third side.

Q.2. Which type of triangle, have any two sides equal?

Isosceles triangle

Q.3. Does the longer side has the smaller angle opposite to it in a triangle?

No, the longer side has the greater angle opposite to it in a triangle.

Q.4. Which type of triangle, have all sides unequal?

Scalene triangle

Q.5. If in ΔABC, ∠A > ∠B, then what can you say about the opposite sides of ∠A and ∠B?

BC > AC, because ∠A is greater than ∠B, so side opposite to ∠A will also be greater than the side opposite to ∠B.

Q.6. Which type of triangle, have all sides equal?

Equilateral triangle

Q.7. Is it possible to draw a triangle having sides 7 cm, 3 cm and 10 cm?

No, because the sum of any two sides of a triangle is always greater than the third side.

Q.8. In the right angled triangle, which one is the longest side?

Hypotenuse