Answer:
170°
Step-by-step explanation:
To convert from radians to degrees
degree measure = radian measure ×
, thus
degree =
× 
Cancel π on numerator/denominator and 18/ 180 by 18
degree measure = = 17 × 10 = 170°
Answer:
3
Step-by-step explanation:
Whatever number you put between the | | will always come out as positive because of the absolute rule.

Rectangular prism and cuboid are same
<span>1)A ray has one endpoint and extends indefinitely in one direction.
2)A pair of opposite rays are two rays that have the same endpoint and extend in opposite directions.
<span>3)Rays are always named with two points and the first point in the name must be the endpoint.</span></span>
Answer:Gary-18 years brother-10 years
Step-by-step explanation:1st case: brother=1 yrs,gary=3 yrs=>after 6 after: brother =7 yrs gary=9 years
2nd case:......
3rd case:.....
4th case:brother:4 years gary:12 yrs=>after 6 yrs:brother=10 yrs gary=18 yrs=>18-10=8