Prove that the line joining the midpoints of the base and summit of a Saccheri Quadrilateral is the perpendicular bisector of both the base and the summit
As we know in saccheri quadrilateral
As you see here
If we join the midpoints of base and summit, then then join
Let M and N be the midpoints of Summit and Base.
In and
( as N is the midpoint of AB)
( common side)
( digonals of small quad. are equal)
( by C.P.C.T.)
As ANB is straight line
So is the perpendicular bisector of Base as well as og summit
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