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Question
you are in charge of handing out name tags at the first meeting of the math club. each name tag is a rectangle. the length of the name tag is 9.9 centimeters and the width is 5 centimeters. what is the area of the name tag? what is the perimeter of the name tag? use this given information to complete the worksheet. diagram label value units length of the name tag centimeters width of the name tag centimeters perimeter of the name tag centimeters area of the name tag square centimeters area formulas: - rectangle: a = lw - square: a = s² - triangle: a = 1/2 bh - trapezoid: a = 1/2 h(b₁ + b₂) π - math club
Step1: Recall area formula for rectangle
For a rectangle, the area formula is $A = l\times w$, where $l$ is the length and $w$ is the width. Given $l = 9.9$ cm and $w = 5$ cm.
$A=9.9\times5$
Step2: Calculate the area
$A = 49.5$ square - centimeters
Step3: Recall perimeter formula for rectangle
The perimeter formula for a rectangle is $P=2(l + w)$.
$P = 2(9.9+5)$
Step4: Calculate the perimeter
First, add the length and width inside the parentheses: $9.9 + 5=14.9$. Then multiply by 2: $P = 2\times14.9=29.8$ centimeters
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| Diagram Label | Value | Units |
|---|---|---|
| Width of the Name Tag | 5 | centimeters |
| Perimeter of the Name Tag | 29.8 | centimeters |
| Area of the Name Tag | 49.5 | square - centimeters |