The number of sides of a regular polygon is given. Find the measure of each interior angle of each polygon. 1) 13

2) 20

3) 11

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.