Math, asked by dolon8874, 1 year ago

In a triangle ABC angle A =120°. AD is perpendicular on BC . Also AB+ BD = CD, then find angle C.

1. 30°
2. 20°
3. 15°
4. 25°​

Answers

Answered by carmenflores12100
9

Answer: 30 degree

30 degree

Step-by-step explanation: forget the side's measurement

Angle sum property of a triangle is 180 degree.

So if AD is perpendicular then it is bisecting angle A. So angle DAC is 60 degree.

Angle D is 90 degree and angle C is suppose to be 180- 60- 90= 30 degree.

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