find all the three angle of triangle ABC A=(x+35) B=(2x-5)C=(4x-15)
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Answer:
x=79°
Step-by-step explanation:
a=x+35,b=2x-5,c=4x-15
therefore 7x -5+35-15
= 7x+ 15=180
180-15=165
165÷7= 79° approx
x= 79°
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