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2 answers:
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Answer:
3142.86 cubic cm
Step-by-step explanation:
volume of cone is given by formula
volume of cone = 1/3(area of base*height)
Given radius of base = 10cm
we know area of circle is given by where r is radius of circle
thus area of base of cone is calculated below
area of base of cone is 314.2857 square cm
height = 30 cm
Thus volume of cone = 1/3* (area of base*height)
= 1/3(314.2857*30)
= 1/3 *9428.571 = 3142.857.
Thus, volume of cone is 3142.857 cubic cm.
volume of cone to the nearest hundredth is 3142.86 cubic cm
Answer:
The measure of the fourth side is .
Step-by-step explanation:
Given as :
The Perimeter of rectangular store = ( 10 + ) inches
The measure of three sides of rectangle = ( 8 + ) inches
So, The measure of three sides = length + breadth + length
I,.e 2 L + B = ( 8 + ) inches .....1
∵ perimeter = ( 10 + ) inches
So , 2 L + 2 B = ( 10 + ) inches
Or, 2 L + B + B = ( 10 + ) inches
Or, ( 8 + ) + B = ( 10 +
)
or, B = ( 10 + ) - ( 8 +
)
Or, B = 10 - 8 + ( ) -
or, B = 2 +
or, B = 2 +
∴ B = =
Hence The measure of the fourth side is . Answer