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Mathematics 8 Online
OpenStudy (anonymous):

m(arc)DE = 123 and m(arc)BC = 55. Find measure of angle A. The figure is not drawn to scale.

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

use the formula : outside angle = (far arc - near arc) / 2

OpenStudy (anonymous):

which is the far and near arc?

ganeshie8 (ganeshie8):

ganeshie8 (ganeshie8):

you need to look at it from A, then BC is near, and DE is far

OpenStudy (anonymous):

34?

ganeshie8 (ganeshie8):

\(\checkmark \)

OpenStudy (anonymous):

:)

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