diagonal = 9√2 ≈ 12.73
the diagonal splits the square into 2 right triangles with the hypotenuse being the diagonal of the square
using Pythagoras' identity
d = √(9² + 9²) = √162 = 9√2 ≈ 12.73 ( to 2 dec. places )
I think it is 584 km cubed
Answer:
114 mi
Step-by-step explanation:
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Answer:
C
Step-by-step explanation:
Oh gosh….this is my personal nightmare. i’m sorry i don’t know