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21The perimeter of a triangle is 36cm. Its two sides are 10 cm and 12cm. The length of the third side is-14cm16cmОООО15cm18cm​

Answer»

Answer:

PERIMETER = 36 cm

one side = 10 cm

second side = 12 cm

LET the third side be x

perimeter of triangle = sum of all sides of triangle

36 cm = 10 cm + 12 cm + x

36 cm = 22 cm + x

36 - 22 cm = x

14 cm = x

Answer = the third side of the triangle is 14 cm

Step-by-step EXPLANATION:

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