Answer:
The answer is 56.52 square centimeters
Step-by-step explanation:
The area of a circle is Pi R^2 so that means the area of a semi circle is half of that which is Pi R^2/2
since diameter is 12, radius = 12/2 = 6
Area = (3.14 × 6^2)÷2 = 56.52
Answer: The real part is -6
The imaginary part is 2i
Step-by-step explanation:
Answer:
234500000020000000000000000
Step-by-step explanation: