Grade 3.141592653589793238462643383279502884197? Or what?
Answer:
-84
Step-by-step explanation:
Answer:
8-7i 8 is the real part and -7 is the imaginary part
19i 0 is the real part and 19 is the imaginary part
Step-by-step explanation:
8-7i 8 + (-7) i the real part is 8 the -7 is the imaginary part
19i 0 + 19i the real part is 0 the 19 is the imaginary part
Answer:
a. 18 cm
Step-by-step explanation:
We are given that a circle has an area of 324π cm2. We are required to determine its radius. The formula for the area of a circle with radius r units is;

We plug in the area given and solve for r;

The radius of the circle is 18 cm
I can't tell if this is what you were asking for, but I included some explanations.