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.
In 2014, Copeland released a memoir, Life in Motion: An Unlikely Ballerina, co-authored by Charisse Jones. Her 2014 children's picture book, titled Firebird, with illustrator Christopher Myers, has a message of empowerment for young people of color.