1. The measures of the three angles of a triangle are in the ratio 1:2:3. What is the measure of the biggest angle?
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By: anil on 05 May 2019 02.14 am
Let the three angles of the triangle be $$x , 2x , 3x$$ Sum of internal angles of a triangle = 180° => $$x + 2x+3x = 180$$° => $$6x=180$$° => $$x=frac{180}{6}=30$$° $$ herefore$$ Biggest angle = $$3x=3 imes 30=90$$° => Ans - (C)
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