Answer :
Answer:
angle b is 45° as it is alternative angle of d so equal to d.
Step-by-step explanation
now....
180 = 90+(90-45)+b
90+45+45
90+90
=180
Answer:
angle b is 45° as it is alternative angle of d so equal to d.
Step-by-step explanation
now....
180 = 90+(90-45)+b
90+45+45
90+90