Recall the secant-tangent theorem, and you have
EA^2 = EC*CD
12^2 = 8*(x+10)
and now ED = EC+CD = 8+x+10
I suspect a typo somewhere in the murk above
25 mg is lighter than 25 cg because mg is 0.001 g and cg is 0.01 g :)
Answer:
8. 7.2
9. 6.7
Step-by-step explanation:
To answer this we need the coordinates of the first three points.
The answer would be in a coordinate plane between quadrant 2 and 3.
