1. is a triangle where =50cm, =30 cm, and = 42cm. Find the area of the triangle giving the answer to the nearest square centimetre.
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Answer:
Step-by-step explanation:
Perimeter P = 122 cm
Semiperimeter s = 61 cm
A = √[s(s - a)(s - b)(s - c)]
A ≈ 629 cm²
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