If the angles of a triangle are x- 2 x- and 3 x- then the value of x isA- 30-B- 70-C- 90-D- 80-

The correct option is A 30^∘ We know that sum of the three angles of a triangle = 180^∘ Therefore, x + 2x + 3x = 180^∘ or, 6x = 180^∘, x =180/6 = 30^∘ ...

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Standard VI

Mathematics

Side Property of Triangle

If the angles...

Question

If the angles of a triangle are $x^{\circ}$ , $2 x^{\circ}$ and $3 x^{\circ}$ , then the value of x is

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70^{\circ}

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80^{\circ}

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90^{\circ}

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Solution

The correct option is A 30
We know that sum of the three angles of a triangle = $180^{\circ}$

Therefore, x + 2x + 3x = $180^{\circ}$

$o r, 6 x = 180^{\circ}$ ,
$x = \frac{180}{6}$ = $30^{\circ}$

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If the angles of a triangle are x∘, 2x∘​ and 3x∘, then the value of x is

The correct option is A 30We know that sum of the three angles of a triangle = 180∘​ Therefore, x + 2x + 3x = 180∘​ or,6x=180∘, x=1806 = 30∘

If the angles of a triangle are $x^{\circ}$ , $2 x^{\circ}$ and $3 x^{\circ}$ , then the value of x is

The correct option is A 30
We know that sum of the three angles of a triangle = $180^{\circ}$

Therefore, x + 2x + 3x = $180^{\circ}$

$o r, 6 x = 180^{\circ}$ ,
$x = \frac{180}{6}$ = $30^{\circ}$