Answer:
u have to put i on the other side of the angle abc
Step-by-step explanation:
first u gotta fince the grades of each angles
the number would be 48 i think
48 + 48 = 96
96 + 4 = 100
is obviously 8
a) perimeter = 8x + 3 + 5 + 7x + 4
b) perimeter = 15x + 12
