Question

9. A rectangle has length as 20 cm and breadth as
12 cm. If the length is increased by 5% and its breadth
is decreased by 3%, calculate increase or decrease of
its area.​

Answer 1

$\huge\red{\boxed{\bold{Solution}}}$

20 = 5%

Length = 21

12 = 3%

Breadth = 6.4

Before area = 20 × 12 cm²

Now area = 21 × 6.4 cm²

$\huge\mathbb\blue{THANK\:YUH!}$

Answer 2

Step-by-step explanation:

20 = 5%

Length = 21

12 = 3%

Breadth = 6.4

Before area = 20 × 12 cm²

Now area = 21 × 6.4 cm²

$\huge\mathbb\blue{THANK\:YUH!}$