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nexus9112 [7]
3 years ago
13

I REALLY NEED HELP RIGHT NOW! T^TApplying the 30-60-90 Theorem, Solve this.​

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:

Step-by-step explanation:

take 30 degree as reference angle

using cos rule

cos 30=adjacent/hypotenuse

\sqrt{3}/2=7\sqrt{3}/y(do cross multiplication)

14\sqrt{3=y\sqrt{3}

14\sqrt3}/\sqrt{3}=y

14=y

for x

using pythagorsa theorem

H^2=P^2+B^2

14^2=X^2+(7\sqrt{3})^2

196=X^2+147

196-147=X^2

49=X^2

\sqrt{49}=X

7=X

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