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kati45 [8]
3 years ago
7

Can someone help me with this one please ? Thanks!

Mathematics
2 answers:
Tems11 [23]3 years ago
7 0
Cos 35 = 12cm / <span>hypotenuse (H)</span>
0.81 = 12 / H 
H = 12/0.81 = 14.8
h^2 = x^2 + 12^2
219.04 = x^2 + 144
x^2 = 75.04 
x = 8.6 (~8.4)
so it is (c)
zepelin [54]3 years ago
7 0
Tan 35°=X/12
0.700=X/12
X=12×0.700
X=8.4
therefore X = 8.4cm
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