Find the area of a circle with a radius 4 mm. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

A=50.24 mm²

Step-by-step explanation:

A=3.14×4²

A=3.14×16

A=50.24 mm²

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: