andrealfar6139 andrealfar6139
  • 13-09-2019
  • Mathematics
contestada

In Triangle ABC, angle A is congruent to angle B and
themeasure of angle A is 54. Find the measure of angle C, the value
ofAC and BC.

Respuesta :

2134jenny
2134jenny 2134jenny
  • 20-09-2019

Answer:

Angle C=72º

Step-by-step explanation:

If two angles are congruent they are equals then angle A is 54º and angle B is 54º and the sum of the internal angles of a triangle is 180º then.

C=180º-54º-54º=72º

To know the value of on AC and BC we have to know the value of the other side AB, to find the values of the sides we can use the law of sines;

[tex]\dfrac{AB}{sin(72)}=\dfrac{BC}{sin(54)}=\dfrac{AC}{sin(54)}[/tex]

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