Question

The measure of angles of a ∆ABC are ∠A= x°, ∠B= (x-20)°, ∠C= (x-40)°. Find the measure of ∠C​

Answer 1

Answer:

80,60.40

Step-by-step explanation:

x+x-20+x-40=180 (sum of all angles)

3x=240=>x=80

Angle A=80

Angle B=80-20=60

Angle C=80-40=40

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