please please please fast its urgent
Attachments:
Answers
Answered by
1
Step-by-step explanation:
in triangle ABC,
angle BAC + angle ABC+ angle ACB=180⁰
sum of all the angles of a triangle is 180⁰
= angle BAC + 69⁰ + 31⁰ =180⁰
= angle BAC + 100⁰ = 180⁰
= angle BAC = 100⁰- 180⁰
angle BAC = 80⁰
pls mark as brainliest
Similar questions