Answer:
The answer is D, 30.4
Step-by-step explanation:
Because the two parallelograms are similar, the relationship between the sides of them are directly proportional.
So:

Cross multiply
8x = 243
÷8 both sides
x = 30.375 ≈ 30.4
The answer is D, 30.4
Answer:
42.64
Step-by-step explanation:
Area is a metric concept that can allow a measurement to be assigned to the extent of a surface, expressed in mathematics as units of measurement called surface units.
Answer:
A rectangle is a parallelogram with d. four congruent angles
Step-by-step explanation:
A rectangle has four right angles meaning they are congruent.