Sunsweet15 Sunsweet15

23-08-2020
Mathematics

contestada

What is the exact area of a circle with a diameter of 20 cm?

Respuesta :

Аноним Аноним

23-08-2020

Answer:

314 cm^2

Step-by-step explanation:

pi(r^2)

r= d/2

pi= 3.14

3.14(10^2)

3.14(100)

314

Answer Link

sqdancefan sqdancefan

23-08-2020

Answer:

100π cm^2

Step-by-step explanation:

The area of a circle is given by the formula ...

A = πr^2

where r represents the radius, which is half the diameter. For a circle of radius 10 cm, the area is ...

A = π(10 cm)^2 = 100π cm^2

Answer Link

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