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Mathematics 15 Online
OpenStudy (ellamoyseyuk):

What is the value of y if the segment outside the circle is tangent to the circle?http://cdn.activelms.com/data/042c73b1-ddf5-4fd6-91e7-6c8434228f3d/Geometry%20Images/unit%2012-3%20q5.png

OpenStudy (ellamoyseyuk):

is 85 the correct answer?

OpenStudy (ellamoyseyuk):

170/2 =85

OpenStudy (ellamoyseyuk):

can u please check my answer? @luffingsails

OpenStudy (luffingsails):

Not quite... angle y describes the other side of the circle (opposite 170 degrees). So, y = (1/2) * (360-170) y = (1/2) (190) y = 95 degrees.

OpenStudy (ellamoyseyuk):

oh okay thank u

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