2 years ago

PLEASE HELP DUE IN 5 MIN

Mathematics

1 answer:

anzhelika [568]2 years ago

5 0

9514 1404 393

Answer:

x = 11

Step-by-step explanation:

The external angle is half the difference of the subtended arcs. The smaller arc is shown as 86°. The larger arc will be the difference between 360° and the two arcs shown.

larger arc = 360° -74° -86° = 200°

So, the external angle is ...

4x +13 = (200 -86)/2 = 57

4x = 44 . . . . . . . . . . . . subtract 13 from both sides

x = 11 . . . . . . . divide by 4

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