Any two angles whose measures add up to 180 degrees. For example, opposite angles of a cyclic quadrilateral (quadrilateral whose vertices are on a circle).
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All four of the interior angles of a quadrilateral add up to 360 degrees.
yes it add up to 180
well for any quadrilateral you would need 3 other angles, then you would add them up, and then subtract from the total you get out of 360(the number that all quadrilateral angles add up to).
No. The interior angles of a TRIANGLE add up to 180 degrees.For a quadrilateral, there are four interior angles, and they add up to 360 degrees.
Because the 4 interior angles of any quadrilateral add up to 360 degrees and a cyclic quadrilateral diagonals opposite angles add up to 180 degrees therefore it follows that the other pair must be 180 degrees
They would all add up to 360 degrees total.
180 degrees because the 4 interior angles of a quadrilateral add up to 360 degrees and the 3 interior angles of a triangle add up to 180 degrees
Any two angles whose measures add up to 180 degrees. For example, opposite angles of a cyclic quadrilateral (quadrilateral whose vertices are on a circle).
The opposite angles of a quadrilateral inscribed in a circle are supplementary, meaning they add up to 180 degrees. This is due to the property that the sum of the opposite angles of any quadrilateral inscribed in a circle is always 180 degrees. This property can be proven using properties of angles subtended by the same arc in a circle.
The opposite angles add up to equal 180 Obviously the angels on the line also add up to 180 not sure of the rest. x
No because the 4 interior interior angles of any 4 sided quadrilateral always add up to 360 degrees
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To comply with the formula for any polygon (number of sides-2)*180 = total sum of interior angles. A quadrilateral has 4 sides so: (4-2)*180 = 360 degrees
If you cut any quadrilateral along one of its diagonals, the figures formed are two triangles. Since the sum of the angles of a triangle is 180 degrees, then the sum of the angles of two triangles is 2(180) = 360 degrees. For this reason, the sum of the angles of a quadrilateral is 360 degrees.
Consecutive angles in a parallelogram will not be complementary. Complementary would mean the angles would add up to 90 degrees. Consecutive angles add up to 180 degrees, meaning they are supplementary.