Answer:
1.4b
Step-by-step explanation:
4b-2.6b
4.0-2.6=1.4
4b-2.6b=1.4b
1.8b
4.4b - 2.6b
subtract we get
1.8 b
cos0 = 1
cos90 =0
so a for the first one and d for the other
The equation to be used is 4/8 × 8/12=1/3
