If one angle of a triangle is less than $90$ degrees, it is known as an acute-angled triangle.

True

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False

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Solution

The correct option is B
False

If all the angles of a triangle are less than $90$ degrees, it is known as an acute-angled triangle.

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Similar questions

State whether the following statement is true or false.

If one angle of a triangle is less than 90 degrees, it is known as an acute-angled triangle.

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If one angle of a triangle is less than 90°, it is known as an acute-angled triangle.

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If one angle of a triangle is greater than 90 degrees, it is known as an obtuse-angled triangle.

△ A B C

∠ A, ∠ B & ∠ C

90^{\circ}

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