2 answers:
Answer:
14
Step-by-step explanation:
The internal angle sum of a 4 sided polygon is 360 so set it equal to 360. 5x+110+110+70=360
5x+290=360
5x=70
x= 14
Answer:
16
Step-by-step explanation:
<h2>
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Answer:
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Step-by-step explanation:
Answer:

Step-by-step explanation:
the coordinates of midpoint is average of x value of endpoints and average of y value of endpoints
B 7/8 shows division, not multiplication
7 + b
= 7 + 15
= <u>22</u>
<u>hope</u><u> </u><u>it</u><u> </u><u>helps</u><u>!</u>