dramaqueenactr2040
02.11.2020 •
Mathematics
A and B are vertical angles. If m A = (6x – 11)° and m B = (5x + 4)º, then find the measure of B.
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Ответ:
∠ B = 79°
Step-by-step explanation:
Since the angles are vertical then they are congruent, thus
6x - 11 = 5x + 4 ( subtract 5x from both sides )
x - 11 = 4 ( add 11 to both sides )
x = 15
Thus
∠ B = 5x + 4 = 5(15) + 4 = 75 + 4 = 79°
Ответ:
$1,145.343 = $1,145.34
$264.5176 = $264.52