colinokoth13 colinokoth13
  • 03-04-2020
  • Mathematics
contestada

The perimeter of a square is 80 cm. What is the area?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 03-04-2020

Answer:

A = 400 cm^2

Step-by-step explanation:

The perimeter of a square is given by

P = 4s where s is the side length

80 = 4s

Divide each side by 4

80/4 = 4s/4

20 =s

We want to find the area of the square

A = s^2

A = 20^2

A = 400 cm^2

Answer Link

Otras preguntas

When you buy a U.S. government savings bond, you're doing so under the power given to Congress to A. print and coin money. B. regulate commerce.
Which statement describes a force between charged particles? 1)Like charges repel each other. 2)Like charges attract each other. 3)Unlike charges repel eac
Which of the following details from the passage supports the idea that Penelope dislikes suitors?
Reaganomics was based on which theory?
Which choice best fills in the blank Elle ___ doi ami à la fête ce soir A.) rend B.) invite C.) descend D.) garantit
What kinds of minerals are considered gems
Alvin is 6 years older than Elga. The sum of their ages is 106 . What is Elga's age?
The largest time unit in the geologic time scale is the A. epoch. B. era. C. period. D. eon.
Venus is about 10^8 kilometers from the Sun. Saturn is about 10^9 kilometers from the Sun. About how many times farther from the Sun is Saturn than Venus? 10^
A counterweight makes it more difficult to lift an object with a pulley: true or false