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

Human thought and lifestyle within a certain time period or place is known as a

isthere 100 inches in 8 foot

Managerial accounting primarily serves the needs of a firm s Answer suppliers. customers. managers. investors.

Some molecules are too big to pass through the phospholipid bilayer of the cell membrane. These molecules need to pass through ________________ that are embedde

Is the sentence simple, compound, or complex? Since the guests arrived yesterday, the family has sat together for all meals.

What role did geography play in the growth of three distinct cultural regions in the English colonies?

What is a half-life? the amount of time it takes for half of a radioactive substance to decay the amount of time it takes for all of a radioactive substa

A predominant philosophy used by playwrights to portray the unromantic trivial aspects of life is

The central bank in the United States is called the _____. Federal Reserve Federal Government Federal Money

In studies scientists have found that the level of carbon dioxide has increased. What is an explanation for this? A. volcanoes erupting B. humans use of fossil