The gcf of 15 and 70 is 5
Your answer is 1.18518519
Use trigonometry.
tan30° = perpendicular / base
Here for angle 30° , x is perpendicular while 10 is the base.
tan30° = 1/√3
1/√3 = x/10
x = 10/✓3
By rationalising
x = 10√3/3
Hope This Helps You!
20% * 300 = 2 * (10% * 300) = 2*30 = 60