Represent root 9.3 on number line
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Draw AF horizontally of 113 cm. Mark with compass from A points B, C
D, and E with AB = 1 cm, AC = 2 cm, AD = 9.3 cm, and AE = 10.3
cm.
Draw perpendicular bisectors PBP' and QEQ' of AC and DF respectively. BE = 9.3 cm.
Using the standard procedure for angular bisector bisect angle DEQ' and angle CBP'. These two bisectors meet at G. Now BG = EG = sqroot(9.3) cm.
Draw an arc from B with radius BG to cut BD at H. BH is the line with length = sqroot(9.3) cm.
Draw perpendicular bisectors PBP' and QEQ' of AC and DF respectively. BE = 9.3 cm.
Using the standard procedure for angular bisector bisect angle DEQ' and angle CBP'. These two bisectors meet at G. Now BG = EG = sqroot(9.3) cm.
Draw an arc from B with radius BG to cut BD at H. BH is the line with length = sqroot(9.3) cm.
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