Find the area of a given circle
Here is the probblem :
An architect is making a plan for a new circular playground. It has a diameter of 40 meters. What is the area of the playground?
Here is the probblem :
An architect is making a plan for a new circular playground. It has a diameter of 40 meters. What is the area of the playground?
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Answer:
the formula of getting the area of a circle is
in order to get the radius, you have to divide the diameter in 2.
diameter= 40
radius = 20
pi is equivalent to 3.14
A= pi(r²)
A = 3.14 (20²)
A = 3.14 (400)
A = 1,256m²
therefore the area of the playground is 1,256m²