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HELP!!!

31) Find the measure of line segment DF.
A) 12
B) 13
C) 14
D) 15

HELP!!! 31) Find the measure of line segment DF. A) 12 B) 13 C) 14 D) 15-example-1

1 Answer

12 votes

Explanation:

for the relationship of lengths of internal chords the product of both segments of a chord is equal for all intersecting chords.

in our case

(x+8)×8 = 7×16 = 112

8x + 64 = 112

8x = 48

x = 6

so, D-F = x + 8 = 6 + 8 = 14

so, C is correct

User Brotcrunsher
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