Question

Select the correct alternative and fill in the blank . 1) In ∆ ABC , angle A= 48°, angle C= 56° , angle B = ........
a) 66°. b) 76° . c) 124° d) 28°.
Please answer it .

Answer 1

Answer:

Answer to this question is

b.76°

Answer 2

Answer:

66

Step-by-step explanation:

let b=x

bcz sum of all angles of triangle is 180

then,sum of all angles=48+x×56=180

104+x=180

x=180-104

x=66