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A rectangle has an area of 72 cm² and a length of 12 cm. What is its width?
A rectangle has an area of 72 cm² and a length of 12 cm. What is its width?
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Practice Questions
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Q1
A rectangle has an area of 72 cm² and a length of 12 cm. What is its width?
6 cm
8 cm
4 cm
10 cm
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Area = length × width. Therefore, width = Area/length = 72 cm²/12 cm = 6 cm.
Questions & Step-by-step Solutions
1 item
Q
Q: A rectangle has an area of 72 cm² and a length of 12 cm. What is its width?
Solution:
Area = length × width. Therefore, width = Area/length = 72 cm²/12 cm = 6 cm.
Steps: 8
Show Steps
Step 1: Understand that the area of a rectangle is calculated by multiplying its length by its width.
Step 2: Write down the formula for area: Area = length × width.
Step 3: Substitute the known values into the formula. We know the area is 72 cm² and the length is 12 cm.
Step 4: Set up the equation: 72 cm² = 12 cm × width.
Step 5: To find the width, rearrange the equation to solve for width: width = Area / length.
Step 6: Substitute the values into the rearranged equation: width = 72 cm² / 12 cm.
Step 7: Calculate the width: 72 divided by 12 equals 6.
Step 8: Conclude that the width of the rectangle is 6 cm.
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