WebDec 10, 2024 · In Fig. 13.12, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2.5 cm is to be given for folding it over the top and bottom of the frame. Find. class-9; volume-and-surface-area-of-solids; WebJan 8, 2024 · Q10.In fig. 13.12, you see the frame of a lampshade. It is to be covered with a decorative cloth.The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2.5 cm is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for covering the lampshade. (Assume π = 22/7) Ans.
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WebMay 8, 2024 · In Fig. 13.12, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin … WebFeb 21, 2024 · The inner diameter of a cross-section is 4 cm, the outer diameter being 4.4cm. (see fig. 13.11). Find its (i) inner curved surface area, (ii) outer curved surface area (iii) total surface area (Assume π = ) Answer – Let r and R be the inner and outer radii of the cylindrical pipe r = 4/2 cm = 2 cm R = 4.4/2 cm = 2.2 cm gxo christmas
In Fig. 13.12, you see the frame of a lampshade. It is to be …
WebIn Fig. 13.12 , you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20cmand height of 30cm. Find how much cloth is required for covering the Fig. 13.12 Open in App Solution Verified by Toppr Video Explanation Was this answer helpful? 0 0 Find All solutions for this book Mathematics … WebQ.10 of chapter 13, 13. Suface Areas and Volumes - NCERT - Mathematics book. In Fig. 13.12, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2.5 cm is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for … gxo castle donnington