8 Find the arc length of the semicircle.
Either enter an exact answer in terms of 7 or use 3.14 for 7 and enter your answer as a decimal.
units

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

51840000 cm 2

step-by-step explanation:

the answer to this is a. a^2 + b^2 = c^2