In a triangle ABC, right-angled at B, AB=2cm. A point D lies on BC such that BD=1cm and AD=BC. Find AC.
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Given:
Angle B = 90°
AB = 2 cm
BD = 1 cm
AD = BC
In Triangle ABD:
( Due to the Pythagoras Theorem )
=》
=》
BC = AD
Thus,
BC = Root 5
In Triangle ABC:
=》
=》
=》
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