A rectangle is 4.5 centimeters wide and 6 centimeters long. Calculate the perimeter of the rectangle, in millimeters. 270 millimeters
1.05 millimeters
210 millimeters
105 millimeters

the perimeter is : p = 2(w + l )

p = 2(4.5+6) = 21 millim

Explanation:

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how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

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answer: false. due to the church's swaying authority on common law, it influenced secular music greatly.

explanation: