Find the perimeter of the rectangles whose dimensions are given below.
(a) length = 8 cm, breadth = 5 cm
(b) length = 11 cm, breadth = 7 cm
(c) length = 15 cm, breadth = 12 cm
(d) length = 20 cm, breadth = 16 cm
Answers
Answered by
3
Answer:
a. 26 cm
b. 36 cm
c. 54 cm
d. 72 cm
Answered by
2
Answer:
1. ( l + b) + ( l + b) = (l × 2) + ( b × 2)
8×2 + 5×2
= 16 + 10
= 26
2. 11 × 2 + 7 × 2
= 22 + 14
= 36
3. 15×2 + 12×2
= 30 + 24
= 54
4. 20×2 + 16×2
= 40 + 32
= 72
Step-by-step explanation:
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