alleryએક સમચતુર્ભુજમાં કર્ણ હોય છે 16 cm અને 30 cm. તેનો વિસ્તાર અને પરિમિતિ શું છે?
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
ક્ષેત્રફળ છે 16×30/2 = 240 સેમી ²;
લંબરૂપ અર્ધ-કર્ણ 8 અને 15 છે, જે દરેક બાજુ 17 અને પરિમિતિ 68 સેમી બનાવે છે.
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