Answer:
1260
Step-by-step explanation:
First you will need to find the amount of sides of the polygon:
(After looking it is 9)
Each angle of the side of a nonagon is 140 degrees.
Multiply by 9 since you can make 9 triangles:
140 x 9 = 1260
Answer:
-18 + x = 11
x = 29
Step-by-step explanation:
To solve this, you can use the formula of a + b = c

Answer:
her score would be -22
Step-by-step explanation:
20-42=-22
Answer:
answer is gamma mart
Step-by-step explanation:
Here is the answer with the work shown