AD is perpendicular to BC , base of an equilateral triangle ABC. If BC=10cm,find the length of AD, correct to one place of decimal
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Step-by-step explanation:
Here, BC = 10 cm. And as AD is falling on BC, it divides it into two equal parts [ Altitude drawn from vertex of equal. triangle on opposite aide divides it into two equal parts. Hence, value of AD is 8.7 cm correct to 1 decimal place.
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