Definition of Base Angle Theorem. Base Angle Theorem states that if two sides in a triangle are congruent, then the angles opposite to these sides are also congruent. 1  Base angles of an isosceles triangle are equal.
Restores the destroyed forest. The Spring Sprite is the protagonist of The Firebird Suite segment of Fantasia 2000. The Spring Sprite is a benevolent force of life and creation. She loves the forest and its creatures, and is happy to bring spring every year.
For more information on these and even older Pontiac Firebirds, go to our Pontiac Firebird history page. If you are looking for older years, visit our used Pontiac Firebird page. For more on past Pontiac Firebird models, view our Pontiac Firebird history page.