Lesson 10-1
True or False
Zeroes are not significant digits
False
Define perimeter
The distance around an object or shape
To figure out the perimeter of an irregular polygon we have to ........
add up the side lengths
How many significant digits are in the number 8020.04?
6
How are a regular polygon and an irregular polygon different?
Regular polygon has side lengths that are all the same.
Tick marks on irregular polygons can help us to........
figure out the measurements of all the side lengths
Which is more precise: measuring to the nearest inch or to the nearest foot?
Nearest inch
In the formula P = ns what does the n stand for?
n= the number of sides of a regular polygon
If a regular heptagon(7 sided figure) has a perimeter of 333.2 cm, what is the length of each side?
s = 47.6 cm
True or False: accuracy is how close you get to the actual measurement
True
Find the perimeter of a rectangle when the length is 40 feet and the width is 20 feet
120 feet
What is another name for a regular quadrilateral?
A square
Find the length of a rectangle when the Perimeter is 300 feet and the width is 25
l = 125 feet
If a regular decagon ( 10 sided figure) has a side length of 28.5 cm, what is its perimeter?
P = 285 cm