Answer:
first solution for first question, and last solution for second questions..
Step-by-step explanation:
Answer: r = 3
Step-by-step explanation:
Step 1: Cross-multiply.
2r = 12/18
(2)*(18)=12*r
36=12r
Step 2: Flip the equation.
12r=36
Step 3: Divide both sides by 12.
12r/12 = 36/12
r = 3
Not enough info to answer the question it should have 2 trapezoids to compare if your talking about transformations