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It has 2 pairs.
4 pairs
There are four perpendicular lines in a rectangle
A rectangle has 4 perpendicular lines that meet at right angles.
4
2
8
A parallelogram has 2 pairs of parallel lines and in the form of a rectangle it has 2 pairs of parallel lines and 4 perpendicular lines that meet at each of its corners at right angles.
10, A decagon has a maximum of five pairs of perpendicular lines, and a maximum of 5 parallel lines. however, this isn't in black and white it can have no pairs of line either perpendicular or parallel. know write the answer clearly
Oh, dude, a rectangle has like, two perpendicular lines. One going up and down, and one going side to side. It's like, the basic geometry you learn in elementary school, man. So, yeah, two perpendicular lines for a rectangle.
10, A decagon has a maximum of five pairs of perpendicular lines, and a maximum of 5 parallel lines. however, this isn't in black and white it can have no pairs of line either perpendicular or parallel
At least two pairs: they form the outer rectangle which represents the "universe".