The diagram shows triangle ABC. A = 81°
AB = 8.2 cm
BC = 13.5 cm
Calculate the length of AC.​

The length of AC is 12.08 cm.

Step-by-step explanation:

Given:

In triangle ABC, AB = 8.2 cm, C = 13.5 cm and angle A = 81 degrees.

Solution:

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Using Law of Sines, we get

Using angle sum property, we get

Now,

Therefore, the length of AC is 12.08 cm.

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.