Question

2. State which of the following are Pythagorean triplets.
b. 11, 60, 63
c. 12,16, 20
2
a. 9, 40, 41
with solution
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Answer 1

Answer:

9,40,41

9²+40²=41²

81+1600=1681

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Answer 2

Answer:

1. in 63, units digit is 3. so, it's square units digit is 9 but 11²+60² ends with 1. so they are not Pythagorean triplets
2. this is phytagorean triplet because 12²+16²=144+256=400=20² and 12+20/2=16
3. 9²+40²=81+1600=1681=41². but 41+9/2=25≠40. so this is not phythagorean triplets