qgutierre0001 qgutierre0001

28-03-2020
Mathematics

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In the triangle shown, B=60 and AC=9√3 how long is AB answer exactly, use a radical if needed
NEED HELP ASAP!!!

In the triangle shown B60 and AC93 how long is AB answer exactly use a radical if needed NEED HELP ASAP class=

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bhuvna789456 bhuvna789456

28-03-2020

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

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