Find the area of a circle with a radius of 3

9π square units (about 28.26 square units)

To get an exact answer, just represent pi with π. The formula for the area of a circle is πr^2, where r is the radius. In this case, since the radius is 3, the area is represented by π*3^2, or 9π.

Since pi is an infinite number, we can only estimate the area in this case. Let’s use 3.14 to represent pi. This makes our equation simply 9*3.14, which is 28.26.

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Segment Addition Postulate

Step-by-step explanation:

The angle addition postulate states that if D is in the interior of ∠ABC then ∠ABD + ∠CBD = ∠ ABC

The intersecting lines postulate states that if two lines intersect, then they intersect in exactly one point.

The point postulate states that through any two points passes exactly one line.

The segment addition postulate states that if we are given two points on a line segment, A and B, a third point D lies on the line segment AB if and only if the distances between the points meet the requirements of the equation

AD + DB = AB.

As you can see, the segment addition postulate justifies the statement " If D is between A and B, then segment AD plus segment DB equals to segment AB."