Find square perimeter with the party: 4.6 cm 6.5 cm 7.9 cm 13.7 cm help I cannot

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4.6+6.5+7.9+13.7=32.7 (4.6+6.5+7.9+13.7) *2=65.4sm to find square perimeter, it is necessary to increase the party by 4 and if the rectangle - is simpler to put the party.1) 4,6 * 4 = 18,4 2) 6.5 * 4=26 3) 7.9 * 4 =31,6 4)13,7*4=54,8
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