Find the perimeter of a polygon

The perimeter of a polygon is the distance around it. To find the perimeter of a polygon, we simply add the lengths of its sides

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QUESTION OF
Views #: 21
Questions #: 10
Time: 10 minutes
Pass Score: 80.0%
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Perimeter of a Triangle

1 pts
volume_mute

The perimeter of a polygon is the distance around it. To find the perimeter, add the lengths of all its sides.

Find the perimeter of the triangle below.

7 ft8 ft6 ft
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Perimeter of a Quadrilateral

1 pts
volume_mute

Find the perimeter of the quadrilateral below.

24 m18 m18 m10 m
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Perimeter of a Pentagon

2 pts
volume_mute

Find the perimeter of the pentagon below.

7.1 yd 6.6 yd5.2 yd3.4 yd1.2 yd
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Perimeter of a Square – Using the Formula

1 pts
volume_mute

Since a square has four sides of equal length \(s\), its perimeter formula is:

\[P = 4s\]

Find the perimeter of a square whose sides are 7.5 meters long.

s = 7.5 m7.5 m7.5 m7.5 m
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Perimeter of a Square – Scrabble Board

1 pts
volume_mute

A Scrabble game board has a square shape with sides of length 38.5 cm. Find the perimeter of the game board.

SCR38.5 cm38.5 cm38.5 cm
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Perimeter of a Rectangle – Mixed Units

2 pts
volume_mute

Find the perimeter of the rectangle shown below, in inches.

8 in3 ft⚠ Convert:3 ft = 36 in8 in3 ft

Use the formula \(P = 2l + 2w\). Caution: both dimensions must be in the same unit before substituting.

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Perimeter of a Triangle – Convert Units First

2 pts
volume_mute

Find the perimeter of the triangle shown below, in inches.

12 in8 in2 ft⚠ Units!2 ft = 24 in
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Find the Base of an Isosceles Triangle

2 pts
volume_mute

A structural truss is in the shape of an isosceles triangle. A total of 76 linear feet of lumber was used. Each of the two equal sides is 20 feet long. How long is the base of the truss?

>20 ft20 ftb = ?P = 76 ft
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Find the Base – Isosceles Triangle Perimeter

2 pts
volume_mute

The perimeter of an isosceles triangle is 58 meters. One of its two sides of equal length is 15 meters long. How long is its base?

15 m15 mbase = ?P = 58 m
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Complete the Perimeter Formulas and the Caution Rule

3 pts

Drag the correct term into each placeholder to complete both formulas and the caution rule.

sSquareP = 4slRectangleP = 2l + 2w⚠ Caution:All side lengths must be expressed in the sameunit before finding the perimeter.

Square: \(P = \) (1) \(\times s\), where \(s\) is the length of one (2).

Rectangle: \(P = 2 \times\) (3) \(+ 2 \times\) (4), where \(l\) is the length and \(w\) is the width.

Caution: All side lengths must be in the same (5) before adding.

Please drag and drop the selected option in the right place or type it instead
4
side
l
w
units
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Explanation

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