1300113030 1300113030
  • 20-04-2021
  • Mathematics
contestada

A circular plate has circumferrence 30.8 inches. What is the area of this plate ? Use 3.14 for π.

Respuesta :

aprilkeyes aprilkeyes
  • 20-04-2021

Answer:

75.39 in^2

Step-by-step explanation:

circumference=2πr

30.8=2(3.14)r

30.8=6.28r

4.9=r

Now that we know the radius, we can plug it in for the area equation

area=πr^2

area=(3.14)(4.9)^2

area=(3.14)(24.01)

area=75.39 in^2

Answer Link

Otras preguntas

the sum of Marys age and her moms age is 67.  Three times Marys age increased by 7 is her moms age.  How old is Mary and her mother
Two end uses of wool
How do you solve the function y = 2.5^x for y=20
How do you write this in a algebraic equation: 6 more than 7 times a number is 41
1.What is the probability of choosing a face card from a deck of 52 cards (face cards are jacks, queens, and kings)? What is the probability of the 2nd card bei
what is the meaning of vague and a sentence on that.
what is difference between kilowatt and kilowatt hour?
When a Doctor practices Paediatrics, what sort of patients does he have ?
how can the boiling point of a liquid be raised without adding soluble impurity?
When I was 2 years old, my sister was half of my age. Now Im 80 years old, how old is my sister?