Vilaayati gavat
There is a very simple way of solving this type of problem: Call the sum S and the difference D, then the two numbers A and B, are: A = (S - D)/2 and B = A + D In this case S = 420 and D = 28 so (S - D)/2 = 392/2 ie A = 196 and B is 196 + 28 ie 224
s +s+s+s
-s-
s=5 f+s=? Substitute 5 in for s.Substitute 1 in for f.f+s=f+5f=11+5 ={6}
14 sides.FORMULA: ∑(interior �'s) = 180°(s − 2)[s = number of sides]CALCULATIONS:2160° = 180°(s - 2)2160° / 180° = (s - 2)12 = (s - 2)14 = s
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Someone who is in their 80's is commonly referred to as an octogenarian.