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mixer [17]
3 years ago
12

Directions: Solve for X. Round to the nearest tenth. . 12 54​

Mathematics
1 answer:
AfilCa [17]3 years ago
3 0
12.8 degrees

sin = o/h

sin(x) = 12/54

sin^-1 (12/54)

= 12.8 degrees
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Explanation:

Here is one way to go about it.

<u>Statement</u> . . . . <u>Reason</u>

1. AD ≅ BC, AD║BC, E & F are midpoints of BC, AD . . . . given

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3. DF = (1/2)AD, BE = (1/2)BC . . . . definition of midpoint

4. DF ≅ BE . . . . substitution property of congruence

5. BE║DF . . . . segments of parallel lines are parallel

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