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Showing posts with label Volume and Surface area. Show all posts
Showing posts with label Volume and Surface area. Show all posts

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A cone of radius 9 cm and height 15 cm is melted and made into a cylinder of height 45 cm. The diameter of the roller is / 9 cm त्रिज्या और 15 cm ऊँचाई वाले एक शंकु को पिघलाकर 45 cm ऊँचाई का एक वेलन बनाया जाता है। वेलन का व्यास है

Q.18 A cone of radius 9 cm and height 15 cm is melted and made into a cylinder of height 45 cm. The diameter of the roller is / 9 cm...
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The diameter of a right circular cylinder is 14 cm and height is 2 cm. Find the sum of its curved surface area and total surface area. (Use π = 22/7) / एक लम्ब वृत्तीय बेलन का व्यास 14 cm और ऊँचाई 2 cm है। इसके वक्र पृष्ठीय क्षेत्रफल और संपूर्ण पृष्ठीय क्षेत्रफल का योग ज्ञात कीजिए। ( π = 22/7 का उपयोग कीजिए)

Q.6  The diameter of a right circular cylinder is 14 cm and height is 2 cm. Find the sum of its curved surface area and total surface ...
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