Answer:
7x
Step-by-step explanation:
9x-2x=7x
Is there more options because somethings missing
Answer:
The diameter of the circle = 10 cm
The radius of the circle= 10/2= 5 cm
Step-by-step explanation:
Area of the circle = pi r^2
= pi 5^2
=3.14 *25
= 78.5 cm ^2
