WebJan 3, 2024 · In previous studies, the mouth opening area was given as 4 ± 0.95 cm 2 for males and 3.37 ± 1.4 cm 2 for females . For the typical scenario in our study, the cough duration was 0.5 s in air (U = 10 m/s, D = 2 cm), such that small particles travelled about 1.6 m in 4.5 s after the cough stopped. Compared with the distance of 0.76 m in the ... WebSlant height (l) of cone = 14 cm Curved surface area of a cone is 308 \({cm}^2\) i) Let the radius Of the circular end of the cone be r. We know that, CSA of cone = \({\pi}rl\) = …
Curved surface area of a cone. is 308 cm^2 its slant …
WebMar 22, 2024 · Transcript. Ex 13.2, 1 The curved surface area of a right circular cylinder of height 14 cm is 88 cm2. Find the diameter of the base of the cylinder. Assume = 22/7 Height (h) of cylinder = 14 cm & radius of cylinder be r Given Curved surface area of cylinder = 88 cm2 2 rh = 88 cm2 2 22/7 r 14 cm = 88 r = (88 7)/ (2 22 14) r = 1 cm Diameter = 2 ... WebMar 20, 2024 · /(The CSA or curved surface area of the cone = πrl => πrl = 484 cm^2 => \frac{22}{7} ×3.5 cm × l = 484 cm^2 => 11l = 484 cm => l = 48 cm/) Hence, the slant height of the cone is 48 cm. Example 3. Find the vertical height if the slant height of a cone is 7 cm and curved surface area is 440 cm^2. Estimate the final answer to the nearest ... houzz kitchen window trim above sink
Class 9 NCERT Solutions - Chapter 13 Surface Areas And Volum…
WebFeb 11, 2024 · Find radius of base and 11) total surface of cone cs A of cone l cSA of cone 308 = 308 cm 2 = 14 cm = π r l = 7 22 × r × f 2 Viewed by: 5,310 students Updated on: Feb 11, 2024 WebMar 29, 2024 · Transcript. Ex 13.7, 6 The volume of a right circular cone is 9856 cm3. If the diameter of the base is 28 cm, find height of the cone Radius of cone = r = = cm = 14 cm Let Height of cone = h cm Volume of the cone = 9856 cm3 πr2h = 9856 = 9856 h = ∴ h = 48 Thus, the height of the cone = 48 cm. Ex 13.7, 6 (ii) slant height of the cone Here, r ... WebFeb 15, 2024 · answered Curved surface area of a cone is 308 cm and its slant height is 14 cm Find. radius of the base (m) Total surface area of the cone. 1 See answer … houzz knobs for french dining room cabinets