Answer:
f/97)=10-2(7)=10-14=-4
Then the answer is C
Step-by-step explanation:
1) Set a linear equation
2) Cross multiply
3) Multiple the right side
4) Divide both side by 2
5) Solving the linear equation
The answer is (C)
-2, 2 and for the other 4,5
area of a circle is r x r x pi
so one quarter of it us r x r x pi /4