Question

in triangle abc bc=ab and C=80 degrees find a

Answer 1

Answer:

∠C=50⁰

Step-by-step explanation:

BC=AB

⇒∠A=∠C (As angles opposite to equal side are equal)

let the angles be x each.

Now by angle sum property

∠A+∠B+∠C=180⁰

⇒80⁰+x+x=180⁰

⇒2x=180⁰−80⁰

⇒2x=100⁰

⇒x=50⁰

∴∠C=50⁰