alleryएक समचतुर्भुज के विकर्ण 16 cm और 30 cm हैं। इसका क्षेत्रफल और परिधि क्या है?
A240 cm²; 64 cm
B480 cm²; 68 cm
C480 cm²; 92 cm
D240 cm²; 68 cm
Answer & Solution
Correct answer: D. 240 cm²; 68 cm
क्षेत्रफल 16×30/2 = 240 सेमी ² है;
लंबवत अर्ध-विकर्ण 8 और 15 हैं, जिससे प्रत्येक भुजा 17 और परिधि 68 सेमी बनती है।
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