Question

Show 1.1 on the number line.
Find the area of the rectangle whose side are :3 cm and 4 cm
Give expressions for the following​

Answer 1

Answer:

Solution:

(a) Area of rectangle = length x breadth

= 3 cm x 4 cm = 12 cm.sq

(b) Area of rectangle = length x breadth

= 12 m x 21 m = 252 m.sq

(c) Area of rectangle = length x breadth

= 2 km x 3 km = 6 km.sq

(d) Area of rectangle = length x breadth

= 2 m x 70 cm = 2 m x 0.7 m = 1.4 m.sq

Step-by-step explanation:

Answer 2

Answer:

12 cm

Step-by-step explanation:

A=12cm²

l Length 3cm

w Width 4cm

Solution

A=wl=4·3=12cm²