in a triangle Angel ABC, if Angle A= Angel B + Angel C,then Angel A= ?
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angle A=right angle(90)
hope it helps you dear
varun3571:
Thanks it's right answer
Answered by
8
suppose angle B=x
C=x
A=x+x=2x
total =x+x+2x= 4x
4x=180°
x=180÷4=45°
2x=45°×2=90°
measure of angle A=90°
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