Question

Two adjacent angle of a parallelogram are (3y-4)+(3y+10) find the measure of all the angles of parallelogram
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Answer 1

Answer:

83°, 97°, 83° and 97°

Step-by-step explanation:

The adjacent angles of a parallelogram are supplementary.

=> 3y-4+3y+10 = 180°

=> 6y+6 = 180°

=> 6y = 180-6

=> 6y = 174°

=> y = 174/6

=> y = 29°

Hence, the angles are 83°, 97°, 83° and 97°.

Answer 2

Answer:

adjacent angles of parallelogram are 180°

there fore

(3y-4)+(3y+10)=180°

6y+6=180°

6y=180-6

6y=174

y=174/6

y= 29°

angle 1= 3y-4= 3*29-4=83°

angle 2 =3y+10=3*29+10=97°

angle 3 = 83° (opposite angles of parallelogram are congruent)

angle 4=97° (opposite angles of parallelogram are congruent)

hope it helps, my handwriting isn't good