Page 4 - Activity

Result
Pythagoras theorem is verified.

Learning Outcome
Students will learn practically that in a right-angled triangle, the square of the
hypotenuse is equal to the sum of the squares of the other two sides.

Viva Voce

Question 1.
What is the name given to the longest side of a right-angled triangle ?
Answer:
Hypotenuse.

Question 2.
If AC is the hypotenuse of a right-angled triangle ABC, then which angle will be a right
angle ?
Answer:
Angle B.

Question 3.
Can we prove Pythagoras theorem for an acute angled triangle or obtuse angled
triangle ?
Answer:
No.

Question 4.
Write the converse of the Pythagoras theorem.
Answer:
In a triangle, if a square of the longest side is equal to the sum of the squares of other
two sides, then the angle opposite to the longest side is a right angle.

Question 5.
What is the name of the triplet forming the sides of a right-angled triangle ?
Answer:
Pythagorean triplet.

Question 6.
Which of the following are Pythagorean triplets ?
(a) (3, 4, 6)
(b) (5, 12, 13)
(c) (6, 8, 10)