Hello again, pleasepleasehelp,

Here we go....

GIVEN

LORI is a rectangle.

GIVEN

and are right angles.

A RECTANGLE HAS 4 RIGHT ANGLES.

are right triangles.

DEFINITION OF RIGHT TRIANGLE

OPPOSITE SIDES OF A RECTANGLE ARE CONGRUENT

LL Theorem

CPCTC

BIRD is a trapezoid.

DEFINITION OF ISOSCELES TRAPEZOID