ladybug3334
20.10.2019 •
Mathematics
Can someone me on these questions
find the area of an equilateral triangle with side length 11cm
find the area of a square whose diagonal has length 12cm.
find the perimeter of a square whose diagonal has length 6 cm
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Ответ:
The area of the square with a diagonal line of 12cm length is 72cm^2
The perimeter of the square with a diagonal line of 6cm length is 4a
Ответ: