isabellacatt
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

Who carried out a series of experiments on frogs in the 1780s?
Write an equation: Phil’s age increased by 9 years is 18 years
How are trigonometric ratios used to find the area of a triangle when its height is unknown
What is the minimum index of refraction of a clear material if a minimum thickness of 121 nm , when laid on glass, is needed to reduce reflection to nearly zero
What is the most important distinction between the membrane transporters known as channel proteins and those known as carrier proteins?
But on the spot I told them: 'Back, and quickly! Out to sea again!' My men were mutinous, fools, on stores of wine. Sheep after sheep they butchered by the s
What is the solution to the equation 1/4x- 1/8=7/8+1/2x
Cart A, with a mass of 0.4 kg, travels on a horizontal air track at 6 m/s and hits cart B, which has a mass of 0.8 kg and is initially at rest. After the collis
George starts with a number. He takes away 7, then squares it, adds 6, subtracts 13, multiplies it by 4 and subtracts 1. He ends up with 7. What was George’s or
2. Which set of terms can be substituted for superior/inferior? A. Proximal/distal B. Ventral/dorsal C. Cephalic/caudal D. Superficial/deep