The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is
1322 cm²
1311cm²
1392cm²
1344 cm²
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- According to Heron's formula the area of the triangle is,
∴ The semiperimeter of the triangle with the sides 56 cm, 60 cm and 52 cm is,
∴ The area of the triangle with the sides 56 cm, 60 cm and 52 cm and semiperimeter 84 cm is,
∴ The area of the triangle is 1344 cm².
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