<span>75% * 28 =
(75 : 100) * 28 =
(75 * 28) : 100 =
2,100 : 100 =
= 21</span>
First you have to solve for the other angle (3x-70) so, 3x=70 and x=70/3
now that you have the complementary angle of 70/3 degrees, subtract 180-70/3 to get 156 2/3 degrees as your final answer
Answer:
(7,4)
Step-by-step explanation:
It's equal to 1.6x10^(-8)