Question

1. Find the perimeter and area of the following rectangles:
(a) length = 12 cm, breadth = 8 cm​

Answer 1

Step-by-step explanation:

perimeter = 2(l+b)

2(12+8)

2×20

40 cm

area = l× b

12 ×8

96 cm ^2

Answer 2

Answer:

Perimeter- 40 cm

Area- ${96 \: cm}^{2}$

Step-by-step explanation:

$perimeter = 2 \times (length + breadth) \\ \: \: \: \: = 2 \times (12 + 8)cm \\ \ = 2 \times 20cm \\ = 40cm$

$area = length \times breadth \\ = 12cm \times 8cm \\ = 96 {cm}^{2}$

Hope it helps you

Pls mark it as brainliest