After manipulating above equation we get, 2x^2 - 7x - 8= 0. Discriminant= b^2 - 4ac = (-7)^2 - 4(2)(-8) = 113>0. So there are 2 real roots :)
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need to find value of x
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12 the answer
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from those are similar, the ratio of side will be 40/24=x/20 so x=33.3333 is equal 33 and one-third.
#6 is 48 degrees and #7 is acute
