t
140°
What is the value of x in this problem
the answer is a) y= 2 csc [0.5 (x+pi/2)]-1
step-by-step explanation:
180°
step-by-step explanation:
sum of equilateral triangle=180°
< n=60°
< m=120°°[angle supplementary of equilateral angle]
< m+< r+< x=360°(sum of exterior angle of triangle)