Answer:
8
Step-by-step explanation:
Considering the given value of sum of interior angles with exclusion of one to be 1070 then we can write it as
1070=180(n-2) where n is the number of sides required here.
Making n the subject of the formula then following step by step


Therefore, the shape is octagon and it has 8 sides.
Please be more specific and what are the measurements as in height and radius or diameter.
Try adding a picture next time maybe...?
Answer:
43.96
Step-by-step explanation:warning might be wrong