Question

Round your answer to the tenths place if necessary

Help me please! :(

Answer 1

∠ B = 80.5°

Explanation:

Since AB = AC then the triangle is isosceles with base angles congruent, so

∠ B = ∠ C , then

∠ B =
`(180-19)/(2)` =
`(161)/(2)` = 80.5°

Answer 2

the answer should be 80.5