The missing length is 12km (i never promised anything xd)
Answer:
베댜ㅗ유루ㅠㅇㄹ어융ㅓ엋 어나어ㅑ양개대재자저오렇로ㅓ로로로랻
Answer:
The dilation is an enlargement
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its corresponding sides is equal and this ratio is called the scale factor
In this problem Triangles A'B'C' and ABC are similar by AA Similarity Postulate
Let
z------> the scale factor
so

substitute the values


The scale factor is greater than 1
therefore
The dilation is an enlargement
Step-by-step explanation:
The sum of an arithmetic series is found by multiplying the number of terms times the average of the first and last terms. Example: 3 + 7 + 11 + 15 + ··· + 99 has a1 = 3 and d = 4.
I think it is D
I am not sure but this is what I think it is