isabellacatt isabellacatt

03-01-2022
Mathematics

contestada

PLEASE HELP ASAP!

The circumference of a circle is 84 cm. What is the area, in square centimeters?
Express your answer in terms of pi.

PLEASE HELP ASAP The circumference of a circle is 84 cm What is the area in square centimeters Express your answer in terms of pi class=

Respuesta :

Аноним Аноним

03-01-2022

Answer:

16π cm²

Step-by-step explanation:

We know that

Circumference = 2πr

=> 8π = 2πr

=> 8 = 2r

=> 8/2 = r

=> 4 = r

Now,

Area of circle = πr²

=> π × (4)²

=> π × 16

=> 16π cm²

Answer Link

Otras preguntas

What areC12, C31, and C22 of matrix C?

You invest $2000 compounded monthly at 9%, how much money do you have in 10 years?

Why did the US involve themselves in the Congo and Angola during the Cold War era? A) To oppose Soviet-backed, African leaders B) For their natural resources C)

Which sentence is punctuated correctly? O I will get on the bus soon; I should be home before lunch. O Many people like both dogs

simplify the following expression:

A train travels a distance of 1275 m at 92.1 m/s how long does it take? 1180 s 117.000 s 13.85 0.0722 s

Graph the parabola. y=(x+1)^2-3

Whitch diagram best explains a cause-and-effect relationship that has shaped U.S. politics?

How many degress will the hour hand of a well clock move from 1:00am to 4:00am

7.) Find the center and radius of a circle with the equation (x − 4)² + (y − 2)² = 100.