Length of AB is 18
Step-by-step explanation:
- Step 1: Find length of AB when AC = 9√3 and ∠B = 60°. Use trigonometric ratio sine.
sin 60 = opposite side/hypotenuse = 9√3/x
x = 9√3/sin 60
= 9√3/√3/2 = 9√3 × 2/√3 (∵ a ÷ b = a×1/b)
= 18
Answer:
Step-by-step explanation:
the unit is 4 min and the answer is he can type 55 words in 1 min
The answer is: [A]:
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"According to the rules, how many swimmers are on a team?"
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Mean Absolute Deviation = 2.5
