9
is the correct answer when multiplying exponents with the same base, you keep the base add the exponents.
D.) x = 5, because when you plug five in for x, 5 + 5 = 10 is correct.
Answer:
The area of the sector is 
Step-by-step explanation:
we know that
The area of a complete circle (9π units^2) subtends a central angle of 2π radians
so
using proportion
Find out the area of a sector , if the central angle is equal to π/9 radians
