Isosceles Triangles. If 2 sides are congruent The angles opposite those sides are congruent.

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Presentation transcript:

Isosceles Triangles

If 2 sides are congruent The angles opposite those sides are congruent

Base angles of an Isosc. triangle are congruent A C B If AC Angle Angle B

Find the missing angle measure 43 0 ?0?0

If 2 angles are congruent The sides opposite those angles are congruent

Isosc AC B If angle angle C CB

F N U If angle angle N UF = 3x + 10 NF = 7x – 6 Find x and find UF

Do Now! Page , 15 – 23,

Find the missing angle ?0?0

Page 192 Problems 6 – 11 Problems 14 – 30 Problem 34