What is the value of b? A right triangle with an angle measure of fifty-one degrees and an unknown angle measure, b degrees.
2 answers:
A triangle will have a total of 180 degrees.
Since it is a right triangle, we know that one angle is 90 degrees. We also know that one of the other angles is 51.
90 + 51 + x = 180
141 + x = 180
Subtract 141 on both sides.
x = 180 - 41
x = 39
The value of b is 39 degrees.
<span>90 + 51 = ?
90 + 51 = 141
180 - 141 = 39
Answer: B = 39 degrees </span>
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