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PSYCHO15rus [73]
3 years ago
5

What is law of sines

Mathematics
1 answer:
BaLLatris [955]3 years ago
8 0

Answer:

In trigonometry, the law of sines, sine law, sine formula, or sine rule is an equation relating the lengths of the sides of a triangle to the sines of its angles

The Law of Sines (or Sine Rule) is very useful for solving triangles:

a/sin A=b/sin B=c/sin C

hope this helps

have a good day :)

Step-by-step explanation:

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Step-by-step explanation:

let necklace : x

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x+y=144 -1st eqn

6x+5y=825 -2nd eqn

y=144-X -3rd eqn

substitute eqn into 2nd eqn

6x+5(144-x)= 825

6x +720-5X =825 (expanded)

X = 825-720

X =105

substitute "X=105" into 1st eqn

(105)+y=144

y= 144-105

y=39

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(to check back: substitute the value into the original eqn)

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Please help with geomtry
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Angle ADB is a right angle, which is given.

The measure of ADB is 90 degrees by definition of right angle.

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