Question $2$d

Refer to Figure Q$2$d and answer the following questions.

Figure $02$d

Question $2$di

Identify the lines $(1,2,3$ and $4),$ point $5$ and the phase$($s$)$ present in regions $($A$),($B$)$ and

$($C$).$

Question $2$dii

Sketch the possible phases present at point $x.$ Determine its phase composition and

calculate the weight percentage of its phases.