Three angles of a quadrilateral are respectively equal to 110°, 50° and 40°. Find its fourth angles.

Open in App

Solution

Let the measure of the fourth angles be x°. We know that the sum of the angles of a quadrilateral is 360°.

Therefore,

Hence the measure of the fourth angle is .

Suggest Corrections

Similar questions

The three angles of a quadrilateral are respectively equal to $110^{\circ}, 50^{\circ}$ and $40^{\circ} .$ Find its fourth angle.

110^{\circ}, 50^{\circ}, 40^{\circ}

110^{o}

50^{o}

40^{o}

100^{\circ}, 60^{\circ}

80^{\circ}

60^{\circ}, 110^{\circ}

86^{\circ}

Join BYJU'S Learning Program