Question

Find the angle of A,C, angle A is x, angle B is 30, angle C is x+8​

Answer 1

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Mrinal12721

05.10.2018

Math

Secondary School

+5 pts

Answered

in triangle ABC, angle a= x + 30 degree , angle b=3x-30 , angle c= 4x-60 degree . Is it a equilateral triangle or no and prove it

2

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Answers

PatelRitnesh

PatelRitnesh Ambitious

X+30+3x-30+4x-60=180

8x=240

x=30 thus,A=60,B=60&C=60

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anishkumar9467637211 Helping Hand

(x+30)°+(3x-30)°+(4x-60)°=180°

8x-60°= 180°

8x = 180°+60°

8x = 240°

x = 240°÷8

x =30°

First angle =30°+30°

=60°

Second angle =(3 × 30)° - 30°

=60°

Third angle = (4 × 30) - 60°

= 120° - 60°

= 60°

Yes,it is equadrilateral angle

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Answer 2

Step-by-step explanation:

Angle A +Angle B + Angle C=180

x+30+x+8=180

2x+38=180

2x=142

x=71