posted by nj .
I have to find the x (bottom length of the triangle) in a right triangle. angle A is 33.9 degrees angle B is 90 degrees and the height of the triangle is 3.3cm
What formula do I use to figure out this question?
Math Trig -
tanA = Y/X.
X = Y/tanA = 3.3/tan33.9 = 4.91 cm.