15 pairs
All members of Class Insecta (insects) have 6 legs (3 pairs). However, other members of Phyllum Arthropoda may or may not have 6 legs. Arachnids (spiders) and Crustaceans (crabs, lobsters, shrimp) are just a few.
It has 6 possible pairs of sides, although all the pairs will look the same. It has 6 possible pairs of angles, although all the pairs will look the same.
(16,1)(8,2)(4,4)
Each lateral face is perpendicular to its lateral neighbours so that makes 4 pairs. In addition, opposite lateral faces may be perpendicular, making 6 pairs in all.
Insects have 3 pairs of legs (6)
60, 72, 84, 90 and 96 have 6 factor pairs.
1 & 6, 2 & 3.
36 i believe
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If there are 6 people in a room, and each person shakes hands with every otherperson in the room, then there will be 15 separate and distinct handshakesbetween different pairs of people.
How they're listed. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)
Chris Martin of New Zealand - 6 pairs.