The polygon in option 3 is not octagon at all, it is heptagon (or 7-sided polygon).
A convex octagon has no angles pointing inwards. More precisely, no internal angles can be more than 180°.
When some internal angle is greater than 180°, it is concave.
In option 2 you can see that one angle is pointing inward, then this octagon is concave.
Answer: correct choice is B.
Answer:
Step-by-step explanation:
Exterior angle = 360/n
= 360/13
= 27.7°
Answer:
81.6
Step-by-step explanation:
mean/average of her grade = sum of all scores/the number of scores
= (93+82+74+92+67)/5
= 81.6
Answer:
$4
Step-by-step explanation:
I tried to make it as simple as possible.
11 and 2/11 because 46 divided by 11 is 44 plus 2 is 46
