median
don steward
mathematics teaching 10 ~ 16

Saturday, 30 April 2011

coordinates of an isosceles trapezium

three coordinates of an isosceles trapezium (trapezoid) are:
(1 , 3)
(-2 , 2)
(6 , -2)
what is the 4th coordinate?






prove that the resulting shape is an isosceles trapezium

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