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Im not eve sure how to do this
lol its ok girl! no worries @TheSmartOne
How many sides does an octagon have?
8 of course
is the answer
Great. What does "regular" mean in "regular octagon"?
9*8 sides of the octagon is 72
a regular octagon is just the regular kind ..wait I thought a octagon had 5 sides? sorry im just so tired
lmao no it has 8 sides
No. You were correct the first time. An octagon has 8 sides. A regular polygon means that all sides are congruent, and all angles are congruent. Since it has 8 sides of the same length, and the perimeter is 72 cm, then you can divide (72 cm)/8 = 9 cm, so you get that each side is 9 cm long. If you were not told it is a regular octagon, you wouldn't be able to answer the question because the sides would have different lengths.
What do you know about the sum of the measures of the angles of a triangle?
@mathstudent55 can you help me out also
can u tll me the answer I have a time limit and I don't want to get in trouble
The sum of the measures of the angles of a triangle is 180 degrees. All three angles must add to 180. You were given the measures of two angles. Add them up. Then subtract the sum from 180, and that is the measure of the third angle.
We'll do it quickly. What is 62 + 35 = ?
Great. 62 + 35 = 97 Now subtract the sum 97, from 180. What is 180 - 97 = ?
Correct. To double check, just add: Is 62 + 35 + 83 = 180? Yes, it is, so 83 is correct.
Ok, gtg. I'll be back in a few hours.
ok thx so much!
You're welcome. If you see me on OS again and have any questions on math, just tag me or message me,.