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.
Concert suite for orchestra No. 1. 1  Introduction â Kashchei's Enchanted Garden â Dance of the Firebird. 2  Supplication of the Firebird. 3  The Princessesâ Game with Apples.  The Princessesâ Khorovod (Rondo, round 1  dance) Infernal Dance of all Kashchei's Subjects.