The length of the 2 black rods is equal to that of the 3 white rods. The length of the grey rod is equal to the total length of the 2 black and the 2 white rods as shown in the figure.
What is the ratio of the length of the WHITE rod to the length of the GREY rod ?
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__= - - -!!
/=__ &- -
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1/__-
1:2 black rod 1 white rod
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Step-by-step explanation:
length of 2 black rods = length of 3 white rods
length of 1 white rod = length of 2 black rods/
length of grey rod = 2l + 2b
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