Question

can anybody solve it​

Answer 1

Step-by-step explanation:

The angles (7d+23°) and (6d) are supplementary angles,

So, 7d+23°+6d= 180°

13d+23°= 180°

13d= 180-23

d= 157/13

d= 12 1⁄13

Put value of d -->

7d + 23 = (7×12 1⁄13) + 23= 107.5384615384°

6d= 6× 12 1⁄13 = 72.46153846153°

(you may check the value using calculator)

Also angles 5d and 139° are supplementary angles,

So, 5d + 139°= 180°

5d= 180-139

d= 41/5

d= 8.2

Put value of d -->

5d= 5×8.2= 41°

Hence, the 4 angles are 107.5384615384°,72.46153846153°, 41° and 139°

Answer 2

Step-by-step explanation:

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