Question

The area of a rectangular sheet of paper is 20 cm2. Its length is 5 cm. Find its width.
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Answer 1

Answer:

area of rectangle =l*b=20                                                                        now we have the the value of l=5                                                                                                          we need to find the value of b = 5*b=20                                                               b=20-5=15

Step-by-step explanation:

Answer 2

Given,

• Area of the rectangular sheet of paper = 20 cm²
• Length of the rectangular sheet of paper = 5 cm

To find,

• We have to find the width of the rectangular sheet of paper.

Solution,

We can simply find the width of the rectangular sheet of paper by using the formula of the area of the rectangle.

Area of the rectangle = length * width

 Area of the rectangular sheet of paper = 20 cm²

 Length of the rectangular sheet of paper = 5 cm

Then,  20 = 5 * width

          20/5 = width

          4 cm = width

Hence, the area of a rectangular sheet of paper is 20 cm². Its length is 5 cm then its width is 4 cm.