Perimeter

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Perimeter Circumference
Area
Area of Irregular Figures
Problem Solving
Similar Figures
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Find the perimeter of the following
parallelogram
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60 cm
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Find the circumference of the following
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9.42 in
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Find the perimeter of the following(the figure
is symmetrical and is not drawn to scale)
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80 in
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Find the Perimeter
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26.56 cm
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• Find the perimeter

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About 25.22 cm
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Find the area
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• 15.86 mi2

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• Find the area

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12 yd2
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• Find the area

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337.5 ft2
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• Find the Area

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7.07 in2
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Find the Area
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22.5 ft2
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Find the Area
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479 cm2
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Find the Area(assume all triangles have the
same height)
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104 cm2
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Find the Area
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92.52 ft2
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Find the Area of the Shaded Region
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19.44mm2
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The figure below shows a large square with sides
of 3 in and a circle with a diameter of 3 in.
Find the area of the shaded region.
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About 0.48 in2
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The area of a rectangle is 357 cm2. The length
is 21 cm. What is the perimeter of the rectangle?
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• 76 cm

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• Suppose 104 m of fencing is used to enclose a
  square garden. How much sod would be needed to
  completely cover the garden with sod?

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• 676 m2

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The circumference of a circular pond is 62.8 m.
What is the area?
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314 m2
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• The width of a rectangle is 2 cm less than 7
  times the length. The perimeter is 60 cm. Find
  the width of the rectangle.
• (write a let statement and equation)

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Let x lengthLet 7x-2 width(7x-2) x
(7x-2) x 60The width is 26 cm.
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The first side of a triangle is 8 m shorter than
the second side. The third side is 4 times as
long as the first side. The perimeter is 26 m.
Find the length of each side.(write a let
statement and equation)
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• Let x 2nd side
• Let x-8 1st side
• Let 4(x-8) 3rd side
• x (x-8) 4(x-8) 26
• 1st side 3 m
• 2nd side 11 m
• 3rd side 12 m

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• The following triangles are similar. Find the
  missing measures

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• x 7
• y 18

44

Two rectangles are similar. One has a length of
10 cm and a width of 8 cm, and the other has a
width of 7 cm. Find the length of the second
rectangle.
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• 8.75 cm

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Complete the table below for similar figures
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48
Given the similar figures, determine a.) the
ratio of the perimeter of the larger to the
smaller b.) the ratio of the area of the larger
to the smaller
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a.) perimeters b.) areas
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Given the two figures are similar, determine the
perimeter and area of the smaller figure. (not
the ratios!!)
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• Perimeter units
• Area square units