From a card board sheet a triangular traffic signal board is made whose sides are in the ratio of 3 : 5 : 7 and its perimeter is 120 m. Answer the following questions: ( take √3 = 1.73 ) (i) How much card will be used in making traffic signal board? (ii) If the cost of 1 sq.m is Rs. 10 then find the cost of traffic signal board.
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board" (and any subsequent words) was ignored because we limit queries to 32 words.
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