In a right-angled triangle, one of its angles must be equal to __.

145 deg

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180 deg

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90 deg

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120 deg

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Solution

The correct option is C
90 deg

A triangle is called a right-angled triangle when it has an angle equal to 90 degrees.

Otherwise, it will not be a right-angled triangle.

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In a right-angled triangle, one of its angles must be equal to __.

The correct option is C 90 deg A triangle is called a right-angled triangle when it has an angle equal to 90 degrees. Otherwise, it will not be a right-angled triangle.

The correct option is C
90 deg

A triangle is called a right-angled triangle when it has an angle equal to 90 degrees.

Otherwise, it will not be a right-angled triangle.