Because you can only add and subtract radicals with the same radicand,
you get 2
that is the simplified answer but if you want it in decimals, 2.022 is what you get.
Factor the polynomial. 13x² – 20x – 12
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Because you can only add and subtract radicals with the same radicand,
you get 2
that is the simplified answer but if you want it in decimals, 2.022 is what you get.
The vertex where the two triangles touch forms a pair of vertical angles, so that the angles on opposites sides of the vertex are congruent. You're shown that two legs of both triangles are congruent. All this tells you that the two triangles are isosceles, and furthermore that they are similar because of the congruence of their "base" angles.
This means