OpenStudy (anonymous):

what is angle 1?

3 years ago
OpenStudy (anonymous):

|dw:1405050692084:dw|

3 years ago
OpenStudy (anonymous):

|dw:1405050803009:dw|

3 years ago
OpenStudy (kohai):

|dw:1405050842614:dw| Are these labelled correctly?

3 years ago
OpenStudy (kohai):

The angles of the interior of a triangle are going to add up to 180*. 180-40-60 = 80*. |dw:1405051020364:dw| So because that angle is 80*, the angle opposite of that has to be 80* as well (angle A)

3 years ago