3 years ago

HELP PLEASE find x. a. 6 b. 3 c. 9 d. 12

Mathematics

1 answer:

oee [108]3 years ago

5 0

Answer:

a. 6

Step-by-step explanation:

The segments either side of an angle bisector are proportional:

6/4 = (x+3)/x

1 +1/2 = 1 + 3/x . . . . divide out the fractions

1/2 = 3/x . . . . . . . . . subtract 1

x = 6 . . . . . . . . . . . . multiply by 2x

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