Question

measures of adjacent angel of a parallelogram are ( 3x+30) and (10x-45 ) then find the measures of the angle of parallelogram​

Answer 1

Step-by-step explanation:

3x + 30 + 10x - 45 = 180 degree

3x + 10 x -45 + 30 = 180 degree

13x - 15 = 180 degree

13x = 180 + 15 = 195 degree

x = 195 / 13

= 15

3x+30 = 3 x 15 + 30

= 45 + 30

= 75 degree

10x - 45

= 10 x 15 - 45

= 150 - 45

= 105 degree

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