First you have to divide the perimeter by 4, then square the solution. 81/4=20.25 20.25*20.25=410.0625 So the area equals 410.0625
81/2= 40.5
81/24=3.375
40.0617
81 Divide by three. 27,3 Divide by three. 9,3,3 Divide by three. 3,3,3,3 Stop.
First you have to divide the perimeter by 4, then square the solution. 81/4=20.25 20.25*20.25=410.0625 So the area equals 410.0625
You add up the numbers, then divide by how many numbers you added. Here there are 4 numbers to add up: 81+83+87+85. Use a calculator or do longhand. Then divide the sum by 4 to get the average.
81/24=3.375
81/2= 40.5
81 Divide by three. 27,3 Divide by three. 9,3,3 Divide by three. 3,3,3,3 Stop.
Divide 81 by 70%. ===> That is, solve the problem: (81) / (0.7)
0.0108
40.0617
566 ÷ 81 = 6.987654321 (Or 566 ÷ 81 = 6 remainder 80.)
yes,9 goes into 81:9 times
15.8889
Without remainder, no. 6 is even and 81 is odd, therefore 6 cannot divide 81.