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It is given in the question that,

ABC is isosceles triangle

AB = AC = 7.5 cm

BC = 9 cm

Height AD from A to BC = 6 cm

We know that,

Area of triangle = × Base × Height

Area of ABC = × BC × AD

= × 9 × 6

= 27 cm2

Area of ABC = × Base × Height

27 = × 7.5 × CE

27 × 2 = 7.5 × CE

54 = 7.5 × CE

CE =

= 7.2 cm

Hence,

The height from C to AB = CE = 7.2 cm

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