ABC is an isosceles triangle side AB and AC IS 10cm and ∠A = 72°, F – InterviewSolution

1.

ABC is an isosceles triangle side AB and AC IS 10cm and ∠A = 72°, Find the size of angle ABC. No useless answers please.

Answer»

Answer:

Here is your answer:

Step-by-step EXPLANATION:

It is GIVEN that ABC is an isosceles .

THEREFORE AB=AC

Therefore

72•+x•+x•=180

Therefore x=54•

So angle ABC =54•

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