Answer:
They are all correct. Well done.
Answer:
3
Step-by-step explanation:
Answer:
4 units
Step-by-step explanation:
CAB and EAD are similar triangles with sides in the ratio 2:1
ED = ½ AB
½(8)
4
An example of the difference of squares would be: a^2-b^2 = (a+b)(a-b)