which pair of numbers is relatively prime?
a. 12 and 16
b. 17 and 45
c. 21 and 35
d. 77 and 110

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Select the lengths in centimeters that would form a right triangle

Which one ? is the answer and how to find this answer