If the angles of a triangle are x- 2 x- and 3 x- then the value of x is

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

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Standard VII

Mathematics

Construction of Triangles: When 3 Sides are Given

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 _______ .

15^{\circ}

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30^{\circ}

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60^{\circ}

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90^{\circ}

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Solution

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

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

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

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

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

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