The sum of the inner angles of a polygon with n sides is 
Since your polygon has 6 sides, the sum of its inner angles has to be

On the other hand, the sum of its inner angles is

And it has to be 720, so we have

Answer:
Exact Form: 5
/4
Decimal Form: 1.25
Mixed Number Form:
1
1 -----
4
(I put it in different forms because you did not specify how you wanted your answer)
Please mark me brainliest if this helped (I need It)
Answer:
yes it cant be siplified anymore
Step-by-step explanation:
3 nights obvs idk how you couldn't get the answer
A) the perimeter of a triangle is the bottom plus the left slanty side plus the right slanty side, but you need the bottom in ft so that would be 6 ft. the perimeter is 13 ft
b) 1 yard