Two angles are said to be suplementary when the aum of the two angle is 180*
<span>A. periodic; about 6</span>
Answer:
D
Step-by-step explanation:
Answer:
16 tricycles
12 bicycles
Step-by-step explanation:
If all were bicycles, there would be 28·2 = 56 wheels. Each additional wheel indicates the presence of a tricycle instead of a bicycle.
There are 72 -56 = 16 tricycles. The remaining 28-16 = 12 are bicycles.