The base of an isosceles triangle is 6cm and it's perimeter is 16cm. Find the length of each of the equal sides.

3 cm

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4 cm

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5 cm

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6 cm

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Solution

The correct option is C 5 cm
Let the equal side of the triangle be $x$ .
Given: perimeter $= 16 c m$
Thus, $x + x + 6 = 16 \Rightarrow 2 x = 10 \Rightarrow x = 5$
The length of the equal sides of the triangle is 5cm.

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