Answer:
if the question is what is the are of the circle without the rectangle inside it, then we could solve it easily using the Mathematical formula for A Circle's area which is

since a radius is half a diameter, and the diameter is 8cm, the radius becomes 4 cm
Step-by-step explanation:
π×4^2
3.14×16
50.24
Answer:
33
Step-by-step explanation:
Answer:

And the answer would be:
c. 1.66
Step-by-step explanation:
We need to conduct a chi square test
The statistic to check the hypothesis is given by:
the observed values for this case are:




The expected values for this case are:




Then the statistic would be given by:

And the answer would be:
c. 1.66
Answer:
I believe its 45 degrees.