the answer is a B:9
Step-by-step explanation:
THE ANSWERS FOR u question is a B:9
The unlabeled part of the right angle is complementary to 68 degrees, so 22 degrees. y is supplementary to 78 degrees, so 102 degrees. z as the third angle in the small triangle is 180 less than the sum of the other two,
z = 180 - 22 - 102
Answer: 56 degrees
So the answers are :
A: 5 seconds
and
B: 10 seconds
Answer:
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