A triangle in total is 360<span>°. So you add what you are given
46 + 61 = 107
and subtract that from 360
360 - 170 = 190
And the remainder is the last unknown angle.
So, the third angle is 190</span><span>°</span>
Total length of all ribbons = 12 * 3 = 36 inch
Then, number of ribbons = 36/4 = 9
In short, Your Answer would be: 9 sections
Hope this helps!
The answer is 21.9
Hope this helps good luckkk :)
The correct answer is A. 10 bracelets
I would suggest factoring using the grouping method. The answer I got was (2n-1)(n+2)
