A triangle can have side lengths of 6, 15, and 21.
True
False

Ais a survey that focuses on only a small portion of the population, and the results are generalized for the larger population.

:calculate the sum of the interior angles of a 13-sided polygon.

Match the following items. 1 1 (4,4) 2. (-4,-2) 3. (3.-6) 4. (-4, 6) 5. (1,5)