Question
361Â + 362Â + 363Â +
364Â is divisible by which number?Solution
361 + 362 + 363 + 364 = 361(1 + 3 + 9 + 27) ⇒ 361(40) = 361*8*5
What is the sum of the supplementary and complementary angles of 60 ° ?
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