How to calculate all four angles in a trapezium?

Question

how to calculate the sizes of all 4 angles in a trapezium

Answer 1

trapazoid=2 parallel sides. Yu need base length, top length & hite.

AND sumwon gotta supply 1 angel or sumthang so yu kan figger out the angel

Answer 2

thats a trqapazoid in Amerikan

sumwon gotta giv nuff info for yu tu get at leest 1 angel

& yu need length av the 2 parallel sides & the hite (or nuf numbers tu figger out hite)

Basikally, yu gotta get the 4 points.  Then yu just draw strate lines tween points.

Slope av 1 line giv angel relativ tu x-axis.  2 sides meet at eech korner.

Angel=differens tween slopes av 2 lines that go tu that point.