Answer:
idk ask James Charles
Step-by-step explanation:
Answer:
The answer is option 3.
Step-by-step explanation:
The steps are :



Answer:
What shape is it so I help you.?
Step-by-step explanation:
formula for interior angles of a polygon is 180 times the number of sides minus 2
20 a 20gon has 20 sides, 20 -2 = 18, 180*18 = 3240
sum of interior angles = 3240 degrees
please mark brainliest