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20 m 21 m What is the perimeter? meters
63.2k views
4 votes
20 m
21 m
What is the perimeter?
meters

User Umeboshi
by
4.0k points

2 Answers

2 votes

Answer: 20+21+20+21=40+42=82

Explanation:

Add up the sides

Multiply by 2

Try:

20+21=41

Multiply by 2:82

User Munanadi
by
3.1k points
5 votes

Answer:

82 meters

Explanation:

to get the perimeter of a rectangle or square you have to add the lengths of all the four sides

P=20+20+21+21

P=2x20+2x21

P=2x(20+21)

P=2x41

P=82

User Silex
by
3.5k points
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