Question

Taylor is making a cookie cake that has a radius of 7 in. What is the area of half of the cookie cake?
A. 76.97 in2
B. 153.94 in2
C. 230.88 in2
D. 38.48 in2

Answer 1

Half of the cookie would be a semi-circle. Area of a semi circle is:


\(\Large \color{MidnightBlue}{\Rightarrow {1 \over 2}\pi r^2 }\)

Answer 2

half of the area of the circle with radius 7in, area of a circle = pi *(radius)^2