Measurements Of Polygons And Circles Worksheets - Lance Mangham, 6th Grade Math, Carroll Isd Page 6
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40Activity 10-2: Perimeter
Name:
Two rectangles are shown below. The value of x is the same for both rectangles.
II
I
4
7
6 x
+
16 x
−
What equation represents the perimeter of rectangle I?
1.
A 10 x
B 10 2x
C 20 2x
+
+
+
2.
Write an expression that represents the perimeter of rectangle II.
3.
If x is an integer, what are the smallest and largest values x can be?
Suppose the areas of the two rectangles are equal.
What is the value of x?
4.
What is the perimeter of each rectangle?
What is the area of each rectangle?
Find the perimeter of each regular polygon.
5.
regular hexagon with sides 28.5 millimeters long
6.
regular decagon with sides 2.5 inches long
7.
regular heptagon with sides 10.75 feet long
8.
regular 12-gon with sides 3.25 yards long
9.
regular 25-gon with sides 6 inches long
Mary needs to cut a piece of glass for her table. The table is in the shape of a
1
regular hexagon. The glass should measure
1
ft.
on each side. What is the
2
10.
perimeter of the piece of glass?
A 12 ft.
B
9 ft.
C
18 ft.
D
7.5 ft.
How would you specifically describe the change in perimeter of a triangle if
11.
all its side lengths are multiplied by 4?
th
Created by Lance Mangham, 6
grade math, Carroll ISD
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