Answer Box

Proof for Problem 7

Given: quadrilateral TRAP with
T(-5,7), R(-3,-4), A(9,5) and
P(-1,10)

Show: TRAP is an isosceles trapezoid

PROOF:

proof7pic

TRAP is an isosceles trapezoid
because it has at least one
pair of parallel sides and
its non-parallel sides (legs)
are congruent making
it isosceles.