3 years ago

Solve for X x = ___ (Round to the nearest hundredth)

Mathematics

1 answer:

Elena L [17]3 years ago

6 0

Answer:

12.62

Step-by-step explanation:

imagine a circle with the center at the corner (let's call it A) with the 31 degree angle. the radius is AB.

so,

x = sin(31)×AB

and

21 = cos(31)×AB

therefore,

AB = 21/cos(31) = 24.4993...

=> x = sin(31)×24.4993... = 12.62 (12.61807...)

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