You need to explain to us what to do or else nobody will understand what your trying to ask for.
Find the equation of 2 of the line segment, then find the perpendicular lines to them, then solve for x by making the perpendicular equations equal
Answer: a) 12
Step-by-step explanation: anything with parentheses means times (×)
<span>copper +copper = copper
0.14x+0.24(100-x) = 0.20*100 = 20</span>
