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Equations, SM-Bank 052

An isosceles triangle has a perimeter of  \(46\)  and its base is 12. Find the length of its equal sides.  (2 marks)

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\(l=17\)

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\(P\) \(=2l+b\)
\(46\) \(=2l+12\)
\(2l\) \(=34\)
\(l\) \(=\dfrac{34}{2}\)
\(l\) \(=17\)

Filed Under: Equations Tagged With: num-title-ct-core, smc-4215-30-Substitution

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