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Mathematics 10 Online
OpenStudy (anonymous):

Find the measure of angle E. Can anyone help? Picture below!

OpenStudy (anonymous):

OpenStudy (anonymous):

First you have to find what is the sum of total angles.. Count and tell me how many sides are there in that figure??

OpenStudy (anonymous):

9.

OpenStudy (anonymous):

So, to find the sum of total interior angles use this relation: \[Sum \; Of \; Angles = (n-2) \cdot 180^{\circ}\]

OpenStudy (anonymous):

Here, n = Number of sides..

OpenStudy (anonymous):

So, find Sum Of Interior Angles first..

OpenStudy (anonymous):

So 1260...?

OpenStudy (anonymous):

Yep..

OpenStudy (anonymous):

Good.. Now, can you sum all the angles given in your figure and just equate that sum to 1260 and try to find x from there.. Go slow and step by step, first find sum of all the angles you are given in the figure..

OpenStudy (anonymous):

Thank you! c:

OpenStudy (anonymous):

Getting?? And do tell me what you got as x, so that I can match with my calculation..

OpenStudy (anonymous):

i got x=23 degrees.

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