If two angles of a quadrilateral are 45^o and 75^o, sum of the other two angles is _____ .

240^o

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180^o

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120^o

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360^o

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Solution

The correct option is A
240^o

Sum of interior angles of a quadrilateral = 360^o
Therefore, the sum of the other two angles = 360^o - (45^o+ 75^o)
= 360^o - 120^o = 240^o

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If two angles of a quadrilateral are 45o and 75o, sum of the other two angles is _____ .

The correct option is A 240oSum of interior angles of a quadrilateral = 360o Therefore, the sum of the other two angles = 360o - (45o + 75o) = 360o - 120o = 240o

If two angles of a quadrilateral are 45^o and 75^o, sum of the other two angles is _____ .

The correct option is A
240^o

Sum of interior angles of a quadrilateral = 360^o
Therefore, the sum of the other two angles = 360^o - (45^o+ 75^o)
= 360^o - 120^o = 240^o