Question

E

81.59
A
6x+10
B
D
Determine the value of x.
1) 18.56
2) 14.75
3) 11.92
4) 15.25

Answer 1

9514 1404 393

Answer:

2) 14.75

Explanation:

Opposite angles of an inscribed quadrilateral are supplementary:

(6x +10) +(81.5) = 180

6x = 88.5 . . . . . . . . . . subtract 91.5

x = 14.75 .. . . . . . . . . . divide by 6