5400 c. 360 b. 5040 d. 168 ____ 13. Find the sum of the measures of the exterior angles of a convex 21-gon. a.
95 d. 260 65. An isosceles trapezoid has two congruent legs and one pair of parallel sides. The base angles are congruent to one another, and by same side interior angles, the upper angles are supplementary to the respective base angles, meaning that they are both 180° - (the measure of the base angle)..
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Angles are calculated and displayed in degrees, here you can convert angle units. Side lengths, diagonal, 2016-01-03 · In a isosceles trapezoid, if its equal sides are extended, we get an isosceles triangle whose base is the bigger base of the trapezoid. In a isosceles triangle, the angles with the base, #alpha# and #beta#, are congruent (#alpha=beta#).
Find the length of the other base. Isosceles Trapezoid Calculator. Calculations at an isosceles trapezoid (or isosceles trapezium). This is a trapezoid with two opposite legs of equal length. Enter the three side lengths, choose the number of decimal places and click Calculate.
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H 80 F measures of the angles. H For isosceles trapezoid MNOP, find m∠MNP. F 44 G 64 H 80 J 116 55. The length of one base of a trapezoid is 19 inches and the length of the median is 16 If the measure of each interior angle of a regular polygon is 171, find the number of sides in the For isosceles trapezoid MNOP, find m_MNQ.
17.
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Name an angle bisector. a.
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more interesting facts . more about imaginary numbers . Base Angles; Diagonals; The defining trait of this special type of trapezoid is that the two non-parallel sides (XW and YZ below) are congruent.