
We know that

because of the Pythagorean trig identity

.
Answer:
14.5 hope this helps!
Step-by-step explanation:
3 times 1.85 is 5.5
20.0 - 5.5= 14.5
Answer:
D
Step-by-step explanation:
because we know that angle EOD is less the 90 so that means that it is complementary. For AOB it is the same but we can check by adding 35 plus x plus 90 =180 degrees so 35+90=125 x=180-125=55 so x=55 and 55 is less then 90 so it is a complementary angle.
I don’t know what the formula stands for but if it was in years instead of months I could totally answer
Answer:
65 because 12 plus 9 is 21 then 3 times 21 is 65