Question

in a triangle ABC , the exterior angle , angle A is 140°and interior angle , angle C is 60° . find the exterior angle B and interior angle B
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Answer 1

Answer:

80;100

Step-by-step explanation:

ext<a=int<b+int<c

140=<b+60

int<b=140-60

<b=80

ext.angle b=180-int<b

=180-80

=100