To find the measure of angle DAC, we must know that the interior angles of all triangles sum up to 180 degrees. Also, as this is an isosceles trapezoid, and are equal to each other. The two diagonals within the trapezoid bisect angles and at the same angle. Thus, must also be equal to 50 degrees.Click to see full answer. In this manner, what is the interior angle of a trapezoid?Here “n” represents the number of sides in the polygon. We know that a trapezoid has 4 sides. Therefore, n=4. Thus, the sum of the interior angles of a trapezoid is 360 degrees.Secondly, what is the area of this trapezoid? Area of a Trapezoid Formula. Multiplying times 12 is the same as dividing by 2. We take half the sum of the length of the two bases (their average) and then multiply that by the altitude, or height, to find the area in square units. Also question is, what do all the angles in a trapezoid add up to? A trapezoid is a quadrilateral. All quadrilaterals have four angles whose sum is 360 degrees. If two of the angles are right angles, that accounts for 180 degrees of the total. Therefore, the other two angles must total 180 degrees as well.Is a trapezoid A quadrilateral?Trapezoids have only one pair of parallel sides; parallelograms have two pairs of parallel sides. A trapezoid can never be a parallelogram. The correct answer is that all trapezoids are quadrilaterals. Trapezoids are four-sided polygons, so they are all quadrilaterals.
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