Question

pls help me solve this​ with explanation

Answer 1

Answer:

3. (a) x + 45+ 30= 180 ( angle sum property)

X+ 75=180

x=180-75

X=105

(b) x+30+90(right angled triangle) =180(angle sum property)

x+120=180

x=180-120

x=60

(c) idk