Question

.

Answer 1

option D
as tan A =altitude/hypotenuse

Answer 2

i.e. hey extermely sorry tan A=height/base=24/7 making it option B
and 2nd question sin A=height/hypotenuse=12/15 option A

Answer 3

cos A= base /hypotenuse i.e.AC/AB=9/15=3/5 option B again
so i again repeat
question 1 answer B,question 2 answer A and question 3 answer B

Answer 4

ST/RS=tan 60
ST/7=sqrt(3)
ST=7*\[\sqrt{3}\]