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.
Re: BSA identification. About to buy a 1967 BSA a65f. 1968 was the first model year for the A65 Firebird Scrambler model as far as I am aware, although factory production of the '68 year models would have started during late 1967, the engine/frame should be stamped A65FB (101-on) for a '68 model year Firebird.