81=81•2/2=162/2
81 1/2=162/2+1/2
=163/2
So 81 1/2=163/2=81.5
Answer:
92 degrees
Step-by-step explanation:
The sum of the exterior angles will be 360.
67 x 4 = 268. That means that the last angles must be 92 (360 - 268)
4 3/4 equals 19/4ths so the correct answer would be 19 burgers
Answer:
18g+9
Step-by-step explanation: