Question

AB = 6 cm, AC = 7 cm, ∠BCA = 50°,∠ABC = 40°​

Answer 1

Answer:

BC=$\sqrt{85$

PLZ MARK ME AS BRAINLIEST

Step-by-step explanation:

AB=6cm AC=7cm

angle BAC = 180-(50+40)

=180-90degree

=90degree

since it is a right angle triangle

then by pythagorus theorem

AB^2 + AC^2 = BC^2

BC^2=6^2 + 7^2

BC^2=36+49

BC^2 = 85

BC=$\sqrt{85$