Answer:
21 cm
Step-by-step explanation:
25-4=21
tan0=sin0/cos0=3/5/4/5=3/4
Hope I helped
See the attached picture.
X/h + 1 = - 2
By taking L.C.M
(X + h)/ h = -2
X + h = -2h
X = -2h - h
X = -3h