![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
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The perimeter P of a triangle is given by the formula,
\P = a+b+c
\![\"\"](\"/userfiles/image/Library/triangle_pa9_p75.gif\")
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![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
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= a+2b (given triangle is isosceles triangle (b=c))
\P =14+2(9) (Substitute a = 14 cm and b = 9 cm)
\P =14+18 (Multiply; 2(9) =18)
\= 32 cm (Add 14 + 18 = 32)
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![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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Perimeter of a triangle is 32 cm
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