- #1
tomtomtom1
- 160
- 8
Hi all
I was wondering if someone could help with the following:-
I have a regular octagon.
Find angle CBA, ACB, BAC.
Lines BA and AC are equal in length.
I have done the following:-
Found all the internal angles and all the external angles.
I know that I have an isosceles triangle because BA & AC are equal so the base angles are equal.
My guys felling is that I need to divide 135 by 2 to get 67.5, so my base angles ate 67.5, 67.5 and my third angle is 45.
But I cannot explain why I dividing 153 by 2 gives the correct answer can anyone explain?
I was wondering if someone could help with the following:-
I have a regular octagon.
Find angle CBA, ACB, BAC.
Lines BA and AC are equal in length.
I have done the following:-
Found all the internal angles and all the external angles.
I know that I have an isosceles triangle because BA & AC are equal so the base angles are equal.
My guys felling is that I need to divide 135 by 2 to get 67.5, so my base angles ate 67.5, 67.5 and my third angle is 45.
But I cannot explain why I dividing 153 by 2 gives the correct answer can anyone explain?