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Mathematics 21 Online
OpenStudy (anonymous):

Help me find value of the x

OpenStudy (anonymous):

|dw:1439961491717:dw| drawing is not to scale

OpenStudy (unklerhaukus):

are there any right angles or parallel lines?

OpenStudy (anonymous):

oops i forgot

OpenStudy (anonymous):

|dw:1439961616291:dw|

OpenStudy (anonymous):

AB is parrallel to DE

OpenStudy (anonymous):

AB is parallel to DE. What is the value of x?

OpenStudy (unklerhaukus):

|dw:1439961722654:dw|

OpenStudy (anonymous):

yes i forgot the degree symbol sorry

OpenStudy (unklerhaukus):

regarding the parallel lines, can you see an alternate angles

OpenStudy (anonymous):

yes. i see those two.

OpenStudy (unklerhaukus):

|dw:1439961890921:dw|

OpenStudy (unklerhaukus):

alternate angles are equal!

OpenStudy (anonymous):

equal to 180 total, yes?

OpenStudy (unklerhaukus):

[if two angles add to 180° they are called supplementary , (not equal)]

OpenStudy (unklerhaukus):

What angle is alternate to angle D, the 65° angle? can you mark it on the diagram

OpenStudy (anonymous):

x

OpenStudy (unklerhaukus):

nope, x is not on the parallel lines

OpenStudy (anonymous):

oh the bottom one is also 65?

OpenStudy (unklerhaukus):

which one?

OpenStudy (anonymous):

|dw:1439962229588:dw|

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