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This question was created from UNIT 5 MASTERY CHECKS MATH 3.pdf


6. The figure below shows concentric circles, both centered at O.
. Chord XY is tangent to the smaller circle.
. The radius of the larger circle is 15 cm.
. The radius of the smaller circle is 12 cm.
What is the length of chord XY?
A 27 cm
B. 24 cm
C. 18 cm
D. 10 cm

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Radius of
larger circle,
Ox = 15 cm
Radius q smaller circle
Op = 12cm
xy is tangent
to smaller circle
and op es radius
LP = 90'
9 n D OP X
O x 2 = OP + x p 2
152 = 12 2 + XP2
XP *=...

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