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sukhopar [10]
2 years ago
7

Can anyone please help me really struggling

Mathematics
1 answer:
almond37 [142]2 years ago
8 0

Answer:

C 862 square units

Step-by-step explanation:

the length of side of Octogan is given by the square. so length of each side is 15

Area of an Octogan

A=2(1+2)a^2

A=2(1+2)15^2 = 1086.4 square units

A= l X w

A= 15 X 15 = 225 square units

1086.4 - 225 = 861.4 square units

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