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Alchen [17]
3 years ago
9

In triangle A B C, angle C is a right angle and BC = 11. If lower m angle B equals 30 degrees, find AC.

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0

Answer:

AC=11\frac{\sqrt{3}}{3}\ units  or  AC=6.35\ units

Step-by-step explanation:

we know that

In the right triangle ABC

AC and BC are the legs of the triangle

AB is the hypotenuse

see the attached figure to better understand the problem

tan(30\°)=\frac{AC}{BC}

tan(30\°)=\frac{\sqrt{3}}{3}

so

\frac{\sqrt{3}}{3}=\frac{AC}{BC}

AC=\frac{\sqrt{3}}{3}BC

substitute the value of BC

AC=\frac{\sqrt{3}}{3}(11)

AC=11\frac{\sqrt{3}}{3}\ units

AC=6.35\ units

SVEN [57.7K]3 years ago
5 0

Answer:

11sqrt3/3

Step-by-step explanation:

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