Answer:
cos27 = 2/HJ
HJ = 2/0.89
= 2.24 units
sin27 = HI/2.4
HI = 0.89×2.4
= 2.13 units
sinH = 2/2.4
= 0.833
H = sin inverse 0.833 = 56.4°
hope it helps :D
