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2 years ago

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

Mathematics

1 answer:

oksian1 [2.3K]2 years ago

6 0

Step-by-step 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

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