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donaji1024perez
20.04.2020 •
Mathematics
Can someone help me with this please
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Ответ:
Area of Square =d&1\2.the area of this square can be calculated using the formula Area=d2\2.
let us consider a square whose sides measures a units.
the side being a here, we have Area=a^2
measure diagonal be d units.Diagonal divides the square into 2 right triangles.
And so 9^2 is 81 or it maybe 18 since it's using length so add and then ,multiply since it's also using area so then, 9^2 and 9^2 and 9^2 you'll find your answer by ADDING 9 UNITS AND THEN MULTPLY YOUR ANSWER YOU GOT FROM ADDING 9 UNITS WITH WHAT YOU GET WITH YOUR EXPONENT.