BOARDS CONCEPTS BOOSTER SURFACE AREAS AND VOLUMES Download Doubtnut Today Ques No. Question 1 CONCEPT FOR BOARDS || Chapter SURFACE AREAS AND VOLUMES 1. INTRODUCTION 1. Review from previous class Click to LEARN this concept/topic on Doubtnut 2 CONCEPT FOR BOARDS || Chapter SURFACE AREAS AND VOLUMES 1. INTRODUCTION 2. Cuboid Click to LEARN this concept/topic on Doubtnut 3 CONCEPT FOR BOARDS || Chapter SURFACE AREAS AND VOLUMES 1. INTRODUCTION 3. Cube Click to LEARN this concept/topic on Doubtnut
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Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter SURFACE AREAS AND VOLUMES 3. SURFACE AREAS AND VOLUMES OF COMBINATIONS OF SOLIDS 2. Combination of sphere
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1.Combinationofcylinderandcone:ACirculartentiscylindricaluptoaheightof3mandconicalabove it. If thediameterof thebase is105mandtheslantheightof theconicalpartis53m;findthetotalcanvasusedinmakingthetent.
4.Combinationofcylinderandhemisphere :Asolid is in the formofacylinderwithhemisphericalends.Thethewholelengthofthesolidis108cmandthediameterofthehemisphericalendsis36cm;Findthecostofpolishingthesurfaceofthesolidsattherateof7paisepersq.cm.
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CONCEPTFORBOARDS||ChapterSURFACEAREASANDVOLUMES
3.SURFACEAREASANDVOLUMESOFCOMBINATIONSOFSOLIDS
5.ARight trianglewhosesidesare15cmand20cm; ismade to revolveabout itshypotenuse.Findthevolumeandsurfaceareaofthedoubleconesoformed.
6. combinations of more than two solids : A solid is in the form of a hemispheresurmountedbyarightcircularcone.Heightoftheconeis2cmandthediameterofthebaseis4cm.Ifarightcircularcylindercircumscribesthesolid.Findhowmuchmorespaceitwillcover.