If mABC AB= 110°, calculate the mABC.

http://www.aventalearning.com/courses/GEOMx-HS-A09/b/assessments/C-CirclesExam/Geometry_7_Exam_57q3.gif

Question

If mABC AB= 110°, calculate the mABC.

http://www.aventalearning.com/courses/GEOMx-HS-A09/b/assessments/C-CirclesExam/Geometry_7_Exam_57q3.gif

amistre64 · Answer

you seem to be posting content from an exam ....

vera_ewing · Answer

@amistre64 its hw. a take home test. are they considered the same on here?

amistre64 · Answer

is that a tangent and a secant line?

amistre64 · Answer

if so, there is a well known property for finding x

vera_ewing · Answer

yes i think so

vera_ewing · Answer

i know AB is a tangent

vera_ewing · Answer

what property?

amistre64 · Answer

the arc and angle are related in a 2:1 ratio

amistre64 · Answer

the arc is always twice as big as the angle,   which means the angle is half as big as the arc ....

vera_ewing · Answer

ok...so would ABC be 220?

amistre64 · Answer

arcAB = 110

angle x = 110/2

vera_ewing · Answer

angle x=55

amistre64 · Answer

thats better

vera_ewing · Answer

oh i get it! thanks so much! lol it was much simpler than i thought :)

amistre64 · Answer

it helps to know the properties :)