1. The total surface area of a hemisphere is $$462 cm^{2}$$. Find its diameter (in cm).
Write Comment
Comments
By: anil on 05 May 2019 02.05 am
Let the radius of hemisphere = $$r$$ cm => Total surface area = $$3pi r^2=462$$ => $$3 imesfrac{22}{7} imes r^2=462$$ => $$r^2=462 imesfrac{7}{66}=49$$ => $$r=sqrt{49}=7$$ $$ herefore$$ Diameter = $$2 imes7=14$$ cm => Ans - (D)
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use