14-05-2020
Mathematics

contestada

Work out the area of a circle with diameter of 1.8cm take pi to be 3.142 and give your answer to 1 decimal place

Work out the area of a circle with diameter of 18cm take pi to be 3142 and give your answer to 1 decimal place class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

14-05-2020

Answer:

A =2.5 cm^2

Step-by-step explanation:

The area of a circle is

A = pi r^2 where r is the radius

r = d/2 where d is the diameter

r = 1.8 /2 = .9

A = 3.142 ( .9)^2

A=2.54502

Round to 1 decimal place

A =2.5 cm^2

Answer Link

Otras preguntas

|-6|+|3| I really don't get it do I simply find the sum our is it something different plz explain

What caused Portugal to finallywithdraw from its African colonies?

a rectangle has an area of 30 square meters and a perimeter of 34 meters. what are the dimensions of the rectangle?

Serous membrane is what type? Epithelial or connective?

Each week Suzanne and Sarah drink 2 gallons of milk.HGow many iounces of milk do they drink each Week ?

"Pilgrim progress" what does the town vanity symbolize?

what is the first 12 numbers in pi?

what is the volume of an area? what is a polynomial?

During a recent winter, the ratio of deer to foxes was 7 to 3 in a town. If there was 210 foxes in the town, what was the number of deer in the town?

write 540 as a product of prime numbers