Question

in ΔABC if AB=BC and angle B is 70 , angle A will be?​

Answer 1

Given,

AB=BC

SO,

B=B and A=C

Then,

A⁰= (180⁰-B⁰) / 2

A⁰= (180⁰-70⁰) / 2

A⁰= 110⁰/ 2

A⁰= 55⁰

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