15 is 360
16 the first one is 60 and the second is 120
Step 2 is put the x's together and then the y's step 3 is add the like terms
step 4 is just simplify
step 5 is multiply all terms together
and step 6 is take the answer u got and that should be the radius of the circle.
Answer:
A polygon with 18 sides has 18 interior angles. Therefore, to find the measure of one of these angles, divide the sum by 18. Answer: Each angle is 160 degrees.
Step-by-step explanation:
Answer:
15.3
Step-by-step explanation:
18-(18×(15%))= 15.3