70. If AB=4m and AC=8m, then angle of elevation of Aa
observed from Cis:
(a) 30° (b) 45° (c)60°
(d) cannot be determined
Answers
Answered by
10
Hey
Answer is C (60°)
Cos A = adjacent / hypotenuse
Cos A = 4/8
Cos A = 1/2
A = 60°
Answered by
8
Answer:
30°
Step-by-step explanation:
if we see from angle C then ab is perpendicular and AC is hypothumes and after finding Sin the answer is 1/2 which is the value of 30°
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