What is the measure of angle b? someone please re-check my answer.

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1 Answer
Phiri
May 16, 2018

You're right, #m/_B# = 157

Explanation:

Knowing that opposite angles of an inscribed quadrilateral are supplementary, we can say:

#6x + 19 + x = 180#. Now we just solve for x.

#7x + 19 = 180#
#7x = 161#
#x = 23#

After finding x, plug that into the equation for angle B:

#6 * 23 + 19 = 157#.

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