alleryHeron సూత్రం ప్రకారం, 13, 14 మరియు 15 cm భుజాలు కలిగిన త్రిభుజం వైశాల్యం ఎంత?
A42 cm²
B168 cm²
C91 cm²
D84 cm²
Answer & Solution
Correct answer: D. 84 cm²
అర్ధ చుట్టుకొలత 21, కాబట్టి వైశాల్యం 21 x 8 x 7 x 6 యొక్క వర్గమూలం = 84 చదరపు సెంటీమీటర్లు.
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