A solid metallic cylinder of base radius 3 cm. and height 5 cm. is melted to form cones, each of height 1 cm. and base radius 1 mm. The number of cones is -
563 060b6e1d32f692872ec8c9f7bIf the areas of circular ring having inner and outer radius 8 cm and 12 cm respectively is equal to the total surface area of cylinder of radius R1 and height h, then h in terms of R1 will be :
516 060b6101727bd974fe7f5d7a5Find the area of triangle whose medians are 8 cm, 15 cm and 17 cm respectively?
557 060a7a50dc7f1592dd0d64cf3The radii of three concentric circles are in the ratio of 4 : 5 : 7. What is the ratio of the area between the two inner circles to that between the two outer circles?
484 0609cd380e941dd6183d59933