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If a sphere of radius 32 feet has a volume of 179 % cubic feet , find the volume of a sphere of radius 1 foot , 9 inches . 3. On the same axes draw the graphs of 4x - 3y = 12 and 229 , and deduce therefrom the common solution of the two ...
If a sphere of radius 32 feet has a volume of 179 % cubic feet , find the volume of a sphere of radius 1 foot , 9 inches . 3. On the same axes draw the graphs of 4x - 3y = 12 and 229 , and deduce therefrom the common solution of the two ...
psl.
... an image of a lantern slide so as to just cover a screen six by eight feet ; if the screen is twelve feet from the lens and the slide three by four inches , where must the slide be placed , and what focal length lens is required ?
... an image of a lantern slide so as to just cover a screen six by eight feet ; if the screen is twelve feet from the lens and the slide three by four inches , where must the slide be placed , and what focal length lens is required ?
psl.
( b ) Prove that the area of a quadrilateral inscribed in a circle is ( s - a ) ( s b ) ( s c ) ( s d ) . 5. The distance between centres of two circles is 18 inches and their radii are 6 in . and 3 in .
( b ) Prove that the area of a quadrilateral inscribed in a circle is ( s - a ) ( s b ) ( s c ) ( s d ) . 5. The distance between centres of two circles is 18 inches and their radii are 6 in . and 3 in .
psl.
( a ) An arc of a circle , whose radius is 12 inches , subtends an angle 60 ° at the centre . Find the position of the centre of gravity of the arc . ( b ) A square , side 18 inches , is divided into four triangles by the diagonals .
( a ) An arc of a circle , whose radius is 12 inches , subtends an angle 60 ° at the centre . Find the position of the centre of gravity of the arc . ( b ) A square , side 18 inches , is divided into four triangles by the diagonals .
psl.
His centre of gravity is 4 feet above the floor and the legs of the stool rest on the corners of a square of 18 inch side ( two sides being parallel to the track beneath the car ) . The brakes are put on and the train is stopped from 45 ...
His centre of gravity is 4 feet above the floor and the legs of the stool rest on the corners of a square of 18 inch side ( two sides being parallel to the track beneath the car ) . The brakes are put on and the train is stopped from 45 ...
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