aubreymorrison
aubreymorrison aubreymorrison
  • 24-06-2020
  • Mathematics
contestada

need answers to 30 and 31

need answers to 30 and 31 class=

Respuesta :

anna2023147
anna2023147 anna2023147
  • 24-06-2020

Answer:

C ; A

Step-by-step explanation:

Question 30:

Perimeter is the sum of all sides.

Perimeter for a recatngle can be found with the formula:

2(L+W)

Length is 7

Width is 4

Plug our values in.

2(7+4)

2(11)

22

Answer C

Question 31:

Circumference of a circle can be found with the formula:

πd.

Diameter of the given circle is 6.

Plug it in

6π

Round π to 3.14

6(3.14)

18.84

Answer A

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