A triangle whose two angles measure 25- and 35- is - triangle-an obtuse nbsp-angled-an acute nbsp-angled-an equilateral-a right angled-

The correct option is A an obtuse nbsp;angled We know, the sum of angles of a triangle nbsp;= 180^∘. If two angles measure 25^∘ and 35^∘, the third angle ...

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Standard VI

Mathematics

Triangles Based on Angles

A triangle wh...

Question

A triangle whose two angles measure $25^{\circ}$ and $35^{\circ}$ is ___ triangle.

an acute angled

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an obtuse angled

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a right angled

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an equilateral

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Solution

The correct option is B
an obtuse angled

We know, the sum of angles of a triangle $= 180^{\circ}$ .

If two angles measure $25^{\circ}$ and $35^{\circ}$ , the third angle measures $(180^{\circ} - 25^{\circ} - 35^{\circ}) = 120^{\circ}$
Since the third angle is more than $90^{\circ}$ , the triangle is an obtuse angled triangle.

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A triangle whose two angles measure 25∘ and 35∘ is ___ triangle.

The correct option is B an obtuse angled We know, the sum of angles of a triangle =180∘. If two angles measure 25∘ and 35∘, the third angle measures (180∘−25∘−35∘)=120∘ Since the third angle is more than 90∘, the triangle is an obtuse angled triangle.

A triangle whose two angles measure $25^{\circ}$ and $35^{\circ}$ is ___ triangle.