Based on the information given the length in kilometres of the road is 210,000.
Length in kilometres:
Using this formula
Length in kilometres=Road map scale of map×Length of road map
Where:
Road map scale of map=30,000
Length of road map=7
Let p[lug in the formula
Length in kilometres=30,000×7
Length in kilometres=210,000 kilometres
Inconclusion the length in kilometres of the road is 210,000.
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