How mathematics helps organize patterns and regularities in the world?

Mathematics has helped organize patterns and consistencies in the world because one must know that there is always mathematics in almost everything in this world. An example is an arrangement or grouping that repeats.

Hope it helps! ^-^

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a