Two friends, Sita and Geeta, each draw a right angle — Sita with a set square and Geeta with a protractor. They wonder whether their two right angles are equal. Which postulate immediately settles this?

Question

Accepted Answer

Fourth postulate. Euclid's fourth postulate states all right angles are equal to one another, so both right angles must be equal regardless of how they were drawn.

Two friends, Sita and Geeta, each draw a right angle — Sita with a set square and Geeta with a protractor.
They wonder whether their two right angles are equal.
Which postulate immediately settles this?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 9 Euclid's Postulates practice

Two friends, Sita and Geeta, each draw a right angle — Sita with a set square and Geeta with a protractor.They wonder whether their two right angles are equal.Which postulate immediately settles this?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 9 Euclid's Postulates practice

Two friends, Sita and Geeta, each draw a right angle — Sita with a set square and Geeta with a protractor.
They wonder whether their two right angles are equal.
Which postulate immediately settles this?