రాంబస్లో వికర్ణాలు 16 cm మరియు 30 cm ఉంటాయి. దాని వైశాల్యం మరియు చుట్టుకొలత ఏమిటి?
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
వైశాల్యం 16×30/2 = 240 cm ²;
లంబ సగం వికర్ణాలు 8 మరియు 15, ప్రతి వైపు 17 మరియు చుట్టుకొలత 68 సెం.మీ.
Keep practising Mensuration
Browse all Mensuration questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Mensuration: choose the measureA circular sector of radius 21 cm has perimeter 86 cm. Find its area; use π = 22/7.A trapezium has parallel sides 18 m and 30 m, with height 10 m. Paving costs ₹12 per m². TA full cylinder (r=6,h=8 cm) contains a solid cone of the same r,h. Pour its water into a A radius-7 cm cylinder of height 10 cm has a matching hemisphere on top. Area exposed exclA radius-6 cm sphere is melted into cones of radius 2 cm and height 3 cm, with no loss. HoA hemispherical dome has radius 7 cm. Its curved covering needs how much material? Use π =A spherical ball has radius 3 cm. How many cubic centimetres does it occupy? Use π = 3.14.