the perimeter of a triangle is 62.5 cm. if two sides are 18cm and 21 cm , find the side of field.
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Answered by
6
62.5=18+21+x
therefore, x=62.5-39=23.5
therefore, x=62.5-39=23.5
Answered by
12
First side =18cm
Second side =21cm
Perimeter of triangle = Side+Side+Side
62.5cm = 18+ 21 + Side
62.5-18-21 = Side
23.5 =Side
Second side =21cm
Perimeter of triangle = Side+Side+Side
62.5cm = 18+ 21 + Side
62.5-18-21 = Side
23.5 =Side
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