Question: #'s 13-20 Use the triangle angle sum theorem and your understanding of algebra to solve for X and use the resultant x value to state

#'s 13-20 Use the triangle angle sum theorem and your understanding of algebra to solve for X and use the resultant x value to state the value of angle A. 13) 12 /73 7x + 5 5x + 10 450 12 AHS 9x - 3 6. + 8 70 X = 75 *= 10 15) A 16) 59 + x A = 55 x + 57 * = - 7 x + 88 410 850 x + 52 A = 45 17) 18) x + 38 x + 68 4x + 6 A = So 5x - 5 80 X = 11 19) 20) 135 A 5x + 1 6x 5x 4x 1350 2015 Kuta Software LLC. All rights reserved . Made with Infinite Geometry

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