alleryਇੱਕ ਤਿਕੋਣ ਦਾ ਅਧਾਰ 14 cm ਅਤੇ ਉਚਾਈ 9 cm ਹੈ। ਇਸਦਾ ਖੇਤਰਫਲ ਕੀ ਹੈ?
A63 cm²
B56 cm²
C126 cm²
D23 cm²
Answer & Solution
Correct answer: A. 63 cm²
ਤਿਕੋਣ ਦਾ ਖੇਤਰਫਲ ਅਧਾਰ ਗੁਣਾ ਉਚਾਈ ਦਾ ਅੱਧਾ ਹੈ, ਇਸ ਲਈ 0.5 x 14 x 9 = 63 ਵਰਗ ਸੈਂਟੀਮੀਟਰ।
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