Page 167 - New Medley 3 Semester 1

Diagonal of a 2-D Shape

Take a square or a rectangle. Join its opposite corners with straight line.

This line is called a diagonal.

A B

P Q

D C S R

BD is a diagonal PR is a diagonal

of square ABCD. of rectangle PQRS.

How many diagonals can a square or a rectangle have?

Draw and name the other diagonals. ,

EXERCISE 5.3

A. 1. Can you draw a shape using straight lines with no corners?

2. How many diagonals are there in a triangle?

B. Colour the following figures that have curve lines only in blue, straight

lines only in red and others in green.

1. 2.

3. 4.

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