*The perimeter of a rectangular sheet is 100 cm. If its length is 35 cm, what will be its width?* 1️⃣ 12cm 2️⃣ 9cm 3️⃣ 15cm 4️⃣ 14cm
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Answered by
1
Answer:
The perimeter of a rectangular sheet = 100 cm
Length of the rectangular sheet (l) = 35 cm
Let the breadth be 'b' cm
Perimeter of a rectangular sheet = 2 (Length + Breadth)
100 = 2l + 2b
100 = 2 × 35 + 2b
100 = 70 + 2b
2b =100 - 70
b = 30/2
b = 15 cm
Area of a rectangular sheet = Length × Breadth
= 35 cm × 15 cm
= 525 cm2
Answered by
0
Answer:
perimeter = 100 = 2(l + b)
= 100 = 2(35 + b)
= b = (100/2) - 35
= b = 15 cm
therefore the width is 15 cm
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