Find the measure of angle B
1 answer:
Answer:
Step-by-step explanation:
Use the Law of Cosines for this. If we want the measure of angle B, then the equation is set up like this:
Filling in:
and simplifying a bit:
81 = 196 + 36 - 168cosB and a bit more:
81 = 232 - 168cosB and even more:
-151 = -168cosB and divide both sides by -168 to get
.9378881988 = cosB
Now use the 2nd button on your calculator along with the cos button to find the missing angle. Make sure your calculator is in degree mode first. Your angle should be 20.30012152
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The polynomial is in standard form if the exponents are arranged in decreasing order.
Polynomial is an algebraic expression with one or more terms. For example :. In this example and in your exercise the exponents of the terms are not arranged in order.
Um polynomial is in <u>Standard Form</u> when the exponents of the terms are in decreasing order. See more details below.
is not in standard form because the exponents are not written in decreasing order.
is in standard form because the exponents are written in decreasing order.
Therefore, the given polynomial will be in standard form if yours exponents are arranged in decreasing order.
Read more about polynomials here: