3 years ago

PLEASE!! I JUST REALLY NEED SOME HELP RIGHT NOW!! T∆T

Mathematics

1 answer:

kaheart [24]3 years ago

6 0

Answer:

Step-by-step explanation:

take 45 degree as reference angle

using sin rule

sin 45=opposite/hypotenuse

1/ $\sqrt{2}$ =l/11 $\sqrt{2}$ (do cross multiplication)

l $\sqrt{2}$ =11 $\sqrt{2}$

l=11 $\sqrt{2}$ / $\sqrt{2}$

l=11

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