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Softa [21]
3 years ago
14

How to awnser this using sine rule

Mathematics
1 answer:
Llana [10]3 years ago
6 0
Once you have the equation written out, you cross multiply. You end up with
(20)(Sin18) = (a)(Sin13)
Then, divide both sides by the sine on the side of the a.
20sin18 / sin13 = a

Hope this helps you understand! :)
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Which segment is both a chord and a diameter? segment PLEASE HELP ME!!!!
xz_007 [3.2K]

Answer:

∠AEC = 105°

Step-by-step explanation:

If two chords intersect each other in a circle then the vertical angles formed are equal.

In this question two chords AB and CD intersect each other at point E then ∠DEB and ∠AEC are vertical angles which are equal.

Therefore ∠DEB = ∠AEC

Here m∠DEB = 105°

Then m∠AEC = 105° ( by Theorem)

Therefore the correct answer is ∠AEC = 105°

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4 years ago
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3 years ago
15-18, use the properties of the exponents to write an equivalent expression for each given expression.
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16.

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18.

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