Answer:
pick D
Step-by-step explanation:
18 degrees
10% of 360 degrees is 36%
5% of 360 degrees is 18%
A few ways. you can enter it into a calculator for one, but the easiest way would be to reference a unit circle and look for an ordered pair where sin (the y value), is equal to -1/2
on a unit circle, the sin value is -1/2 at 7pi/6 and 11pi/6
because sin is the y value, it will additionally be in the quadrants III or IV based on the fact that (-1/2) as a sin value IS a negative and would have to be found in a quadrant in which sin is negative (the lower half of a coordinate plane, in this case)
Answer:
30/7
Step-by-step explanation:
2 x 10 -13
20 - 13
7
4 x 10 -10
40 - 10
30
(A) a triangle whose angles each measure less than 90°
