alleryഒരു റോംബസിന് 16 cm, 30 cm എന്നീ ഡയഗണലുകൾ ഉണ്ട്. അതിൻ്റെ വിസ്തീർണ്ണവും ചുറ്റളവും എന്താണ്?
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
വിസ്തീർണ്ണം 16×30/2 = 240 cm ²;
ലംബമായ അർദ്ധ-വികർണ്ണങ്ങൾ 8, 15 എന്നിവയാണ്, ഓരോ വശവും 17, ചുറ്റളവ് 68 സെ.മീ.
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