Answer:
you'd get the expression 6.37+7.8k
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
Answer:
If you study for the test then you will get a good mark
Answer:
thanks i guess
Step-by-step explanation:
Y= 45 degrees & x= 135 degrees
