amialeggett3
amialeggett3 amialeggett3
  • 07-04-2020
  • Mathematics
contestada

5. What is the area of a circle with diameter 20 cm? Round your answer to the nearest tenth.

Respuesta :

mabb8000
mabb8000 mabb8000
  • 07-04-2020

Answer:  314 cm squared

Step-by-step explanation:

20 divided by 2 = 10

10 x 10 = 100

100 x 3.14 = 314

Answer Link
kamraaa
kamraaa kamraaa
  • 07-04-2020
Area of a circle = πr²

Radius = 1/2 d = 1/2(20) = 10

A = π • 10²
= π • 100
= 314.2cm
Answer Link

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