186cm
You add all the sides up, so 42+42+51+51 which equals 186cm
I really hate these algebra problems pretending to be geometry.
Anyway angles B and D are congruent in a parallelogram. Geometry part done.
4n - 2 = 2n + 32
2n = 34
n = 17
Answer: 17, which is the 3rd choice
Answer:
the relationship between fractions, decimals and percents is that they are just different numerical expressions of the same value.
Step-by-step explanation:
For example, 50% =
= 0.50