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Question

Find the area of ABC, in terms of x given that AB=x, ABC=60o and ACBC

A
x238
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B
x234
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C
x232
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D
x23
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Solution

The correct option is A x238
Since ACBC,ACB=90o
AC=x sin(60o)=x32
BC=x cos(60o)=x2
Area =12×AC×BC
=12×x2×x32
=x238

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