1 answer:
Answer:
3
Step-by-step explanation:
All the triangles are similar, so ...
... 3/y = y/27 . . . . . ratio of short side to long side
... 81 = y² . . . . . . . . multiply by 27y
... 9 = y
The Pythagorean theorem tells you ...
... z² = 3² + 9² = 9 +81
... z² = 90 = 9·10
... z = √(9·10) = 3√10
Green Box: 3
You might be interested in
Answer:
the answer is 5=34−x and x=34−5
Step-by-step explanation:
i just got finished taking the test in 7th grade k12
Me too maybe b I just need some answers
<span>The lowest common denominator of 5/42 and 7/30 is 210.</span>
Answer:
Step-by-step explanation:
81x² - 6x
