Question

25. In triangle ABC, BC=AB and /_
B=80°. Then/_A is equal to:​

Answer 1

I hope this helps :)

please mark as brainliest if you understood completely!

Answer 2

Answer:

/_B=80°

Here AB = BC then /_A = /_C

/_A+/_B+/_C=180° (the sum of the three angles of a triangle is 180 degree)

/_A+80°+/_C =180°

/_A+/_C=180-80

/_A+/_C=100

/_A=50 /_C= 50 here /_A = /_C

so the answer is angle A=50°