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ktreyb
#8

There are 6 sides. 15 and 1/4 cm for each side, call it 15.25

15.25(6) = 91.50 or 91 1/2 centimeters

#9 

[tex]19 \frac{11}{12} + 19 \frac{11}{12} = 38 \frac{22}{12} [/tex] simplify to get [tex]39 \frac{10}{12} [/tex]

Now do [tex]7 \frac{5}{12}+7 \frac{5}{12} = 14 \frac{10}{12} [/tex]

[tex]39 \frac{10}{12} + 14 \frac{10}{12} = 53 \frac{20}{12} [/tex] simplify to get your answer [tex]54 \frac{6}{12} or 54 \frac{1}{2} [/tex] feet

#10

5(2.5) = 12.5 square yards or 12 and 1/2 square yards

#11

2(0.25) = 0.5 square inches or 1/2 square inches

#12

3(7 and 1/10) which is the same 3(71/10) = 213/10 simplify to get 21 and 3/10 square centimeters






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