4.7 Isosceles Triangles - Base Angles Theorems

Jeffrey Bannish
Jeffrey Bannish
2.1 هزار بار بازدید - 11 سال پیش - McDougal Littel  High School GeometryVisual
McDougal Littel  High School Geometry

Visual demonstration and proof of theorems 4.7 & 4.8

Theorem 4.7  Base Angles Theorem
If two sides of a Triangle  are congruent,
then the angles opposite them are congruent.

Theorem 4.8  Converse of Base Angles Theorem
If two angles of a Triangle  are congruent,
then the sides opposite them are congruent.

textbook exercises:   3, 4, 5, 6,  13, 14, 26, 27, 28, 29
11 سال پیش در تاریخ 1392/08/05 منتشر شده است.
2,134 بـار بازدید شده
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