Answer: Angles are supplementary if and only if their sum is 180° is true.
Step-by-step explanation:
Test by making both parts negative: Angles are not supplementary if and only if their sum is not 180° This is also true.
30 out of 140
that means the equation is 30/140
that equals .2142 . . .
that moves over the 21%
It would be 32cm because the diameter corresponding
1583 because that’s the year that the they created that math problem