Question

two adjacent angle of a parallelogram are (2x + 25) and (3x - 5) The value of X is​

Answer 1

in a parallelogram

sum of adjacent angle is 180 degree

therefore

2x+25+3x-5=180

5x+20=180

5x=180-20

5x=160

x=160/50

x=3.2

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Answer 2

measure of angles

angle 1 = 2x + 25

angle 2 = 3x -v5

angle 3 = 2x + 25

angle 4 = 3x - 5

sum of all angles of parallelogram = 360°

360°. = angle 1 + angle 2 + angle 3 + angle 4

360° = 2x+25 + 3x-5. + 2x+25 + 3x-5

360° = 2(2x + 25) + 2(3x - 5)

360° = 4x + 50 + 6x-10

360° = 10x + 40

(360°- 40) / 10= x

320 / 10= x

32 = x