Ineed with area of a circle a circular plate has a diameter of 6 inches. what is the exact area of the plate? a.3_ square inches b.6_ square inches c.36_ square inches d.9_ square inches

D.

Step-by-step explanation:

The area formula for a circle is .

If the diameter is given, we take half of it to find the radius measure.  If d = 6, then r = 3.  Therefore, our formula can be filled in as

or .  That is the exact area.  The approximate area is found by multiplying in 3.1415 as pi to give you that the area is approximately 28.27 square inches.  I think you meant to put pi in those answer choices instead of an underscore, so it's my belief that D. is supposed to reflect the answer of square inches.  I'm going with D.

step-by-step explanation:

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.