Question

A book is 30 cm long and 20 cm wide. what is its area and perimeter?​

Answer 1

QUESTION=A book is 30 cm long and 20 cm wide. what is its area and perimeter?​

ANSWER⤵⤵⤵

L = 30cm

W = 20cm

Area = L × B

Area = 30 × 20

Area = 600cm²

Perimeter = 2(L+B)

Perimeter = 2(30+20)

Perimeter = 2(50)

Perimeter = 100cm

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Answer 2

Answer:

The area is = 600 cm²

The perimeter = 100 cm

Step-by-step explanation:

Perimeter = 2ₓ l+b

                 = 2ₓ 30+ 20

                 = 30 +20

                 = 50 ₓ 2

                  = 100 cm

Area = l ₓ b

        = 30 ₓ 20

        = 600 cm²