Answer:
There should be 50 students in band.
Hope this helped!!
The length of BC = 72
Solution:
Given ΔABC and ΔDEF are similar triangles.
ΔABC ΔDEF
AB = 54, BC = n, EF = 12, DE = 9
Similar triangle theorem:
If two triangles are similar then the corresponding sides are proportional to each other.
Substitute the given values, we get
Do cross multiplication.
Divide both sides of the equation by 9.
⇒ BC = 72
Option B is the correct answer.
The length of BC = 72.
Answer:
40 乘以 2,答案是 80,所以我猜是 209/5。
我不太确定,但是...
希望有帮助
! :)
Answer: I THINK 5 OF THEM
Step-by-step explanation:
In my opinion, the best answer among the choices listed above is option C. Evolution is the name given for genetic changes in living things over time. It is the change in the traits of organisms over successive generations. Hope this answers the question.