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Question

In ABC , right angled at B, BC = 6 cm and ∠ABC = 30. Determine the length of the side AB and AC.

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Solution

We know, BC = 6cm

In ABC, tanA=tan30=BCAB=6AB

13=6AB

AB=63 cm

sinA=sin30=BCAC=6AC,

12=6AC sin30°=12

AC=12cm


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