Question

37. Four times the area of the curved surface of a cylinder is equal to 6 times the
sum of the areas of its two bases. If its height is 12 cm, find its curved surface
area. .
एक बेलन के वक्रीय क्षेत्रफल का चार गुना, उसके दोनों गोलाकार आधारों के क्षेत्रफलों के योग से
6 गुना है। यदि इस बेलन की ऊँचाई 12 सेमी. है तो इसका वक्रीय क्षेत्रफल ज्ञात कीजिए।​

Answer 1

Answer:

Four times the area of the curved surface of a cylinder is equal to 6 times the sum of the areas of its bases. If its height is 12 cm, then its volume (in cm3) is. 48. 546.