<span>C is the correct answer.
If you want to check it just divide both sides by six.
</span>3/6x + 2/6y = 18/6
1/2 + 1/3y = 3
The figures have corresponding sides that are proportional, therefore, they are similar figures.
<h3>What are Similar Figures?</h3>
When two figures are similar to each other, the corresponding sides are proportional to each other.
The two figures given have two opposite sides that are parallel and congruent to each other. Therefore:
DA/VS = 21/7 = 3
AB/ST = 15/5 = 3
Thus, we can conclude that since their corresponding sides are proportional, therefore, they are similar to each other.
Learn more about similar figures on:
brainly.com/question/4381215
#SPJ1
Hello,



==> 1+r=5==>r=4
3+3r+3r²+3r^3+...+3r^6=3(1+r+r²+...+r^6)=3*(r^7-1)/(r-1)=4^7-1=16383
Answer:
<h3>They are similar because they both are in one page.</h3>
<h2>SMART.</h2>