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that's only correct if you assume the rectangle is axis-aligned, otherwise you need at least three points
Please go study definition of rectangle.
Explain which of these isn't a rectangle and why
You just need to assume that the two vertices are opposite each other, based on tha fact that a rectangle has 4 rect angles by definition.
"Explain which of these isn't a rectangle and why" the one without four 90° angles.
Please point out the angle that isn't 90 degrees
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that's only correct if you assume the rectangle is axis-aligned, otherwise you need at least three pointsPlease go study definition of rectangle.
Explain which of these isn't a rectangle and why
You just need to assume that the two vertices are opposite each other,
based on tha fact that a rectangle has 4 rect angles by definition.
"Explain which of these isn't a rectangle and why" the one without four 90° angles.
Please point out the angle that isn't 90 degrees