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Mathematics 10 Online
OpenStudy (studygurl14):

HELP PLEASE!!! I GIVE MEDALS!!!

OpenStudy (studygurl14):

In the figure what is the value of x? a. 45 degrees b. 60 degrees c. 75 degrees d. 90 degrees Please help!

hartnn (hartnn):

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hartnn (hartnn):

2 properties, 1) Tangents are perpendicular to radius. and measure of arc = measure of central angle

hartnn (hartnn):

now consider that quadrilateral sum of all angles must be 360 90+90 + x + x = 360 ask doubts :)

OpenStudy (studygurl14):

180 + 2x = 360 2x = 180 x = 90 Thanks!

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