tieeraluv tieeraluv
  • 21-06-2021
  • Mathematics
contestada

Find an area of a circle if the diameter of the circle is 40 cm

Find an area of a circle if the diameter of the circle is 40 cm class=

Respuesta :

mwadood670 mwadood670
  • 21-06-2021
the A will be 1256.64cm 2
Answer Link
763396
763396 763396
  • 21-06-2021

Answer:

1256cm^2

Step-by-step explanation:

The area of a circle is πr^2.

The radius is half of the diameter, so it's 20 cm.

A=3.14*(20cm)^2

A=3.14*400cm^2

A=1256cm^2

Answer Link

Otras preguntas

How to describe each sequence using words and symbols
If you remove all of the functional groups from an organic molecule so that it has only carbon and hydrogen atoms, the molecule becomes a _____ molecule. A.carb
solve by factoring x^2-4x+6
explain how to use proportional reasoning to find 35 percent of 600
In a line of students, Jenna is number 8.The teacher says that a rule for a number pattern is add 4. The first student inline says the first term, 7. What numbe
Explain how continental drift contributed to the evolution of new species
which copy of each trait gets passed on to our offspring is decided by what?
Manuel's gas tank is 2/9 full. After he buys 12 gallons of gas, it is 2/3 full. How many gallons can Manuel's tank hold?
what would 0.1x = 0.2 + 2 look like on a graph?
What must happen before an igneous rock can form