Answer :
Answer:
96°
Step-by-step explanation:
the base angles of an isosceles are congruent , both 42°
Then the third angle = 180° - 42° - 42° = 180° - 84° = 96°
Answer:
96°
Step-by-step explanation:
the base angles of an isosceles are congruent , both 42°
Then the third angle = 180° - 42° - 42° = 180° - 84° = 96°