Question

13) The length and breadth of a rectangle are
8 cm and 6 cm, respectively. What will the
area of the rectangle be:(1) the length is doubled and the breadth
remains the same
(b) the length is doubled and the breadth is
halved
(1) the length is increased by 2 cm and the
breadth is decreased by 2 cm!
(iv) the length alone is decreased by 2 cm?
What is this rectangle called​

Answer 1

Step-by-step explanation:

1. area of a rectangle = l x b

l = 8cm, doubled length = 8x2=16

area = 16x6

= 96cm2

2. doubled length = 16cm

half of the breadth = 6÷2 =3

area = 16x3

= 48cm2

3.length increased by 2cm = 8cm+2cm=10cm

breadth decreased by 2cm = 6cm-2cm=4cm

Area = 10x4

= 40cm2

4. length decrease by 2cm =8cm-2cm=6cm

Area = 6x6

= 36cm2