Answer:
both each side of each triangle is equal
use alphabets to mark each edge of the triangles and prove congruency
Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
Answer:
that is the answer
Step-by-step explanation:
(5*180)/7=900/7=128.5714285714286
The angle is approximately 129 degrees.
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It is $7. Anything average 5 you need to round up
