ایک رومبس میں اخترن 16 cm اور 30 cm ہوتے ہیں۔ اس کا رقبہ اور دائرہ کیا ہے؟
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
رقبہ ہے 16×30/2 = 240 سینٹی میٹر ²;
کھڑے نصف اخترن 8 اور 15 ہیں، جو ہر ایک طرف 17 اور دائرہ 68 سینٹی میٹر بناتے ہیں۔
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