In ∆ABC, |ABI = 6 cm. A = 90 and B = 30°. AD is an altitude. Find ICD|

Altitude = Height = AD = ?

Base = 8 cm

Area = 40 cm²

Area = 1/2 (Base * Height)

40 = 1/2 ( 8 * Height)

40 = 4 * Height

Dividing both sides by 4

40 / 4 = Height

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