Answer:
25
Step-by-step explanation:
Answer:
x=11, y=10
Step-by-step explanation:
x= 6+ (1/2)y
x+y=21
substitute the first equation into the second equation:
(6+ (1/2y)) + y =21
to get:
y=10
then to find x:
x+ 10 = 21
x=11
Answer:
SAS congruence postulate
Step-by-step explanation:
It is given that two sides are congruent and one included angle is also congruent, this is enough to use the SAS congruence postulate and prove the triangles congruent.
Hope this helps
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Answer:
4 kilometers.
Step-by-step explanation: