Answer:


Step-by-step explanation:
Given a parallelogram ABCD is shown with DC equal to 9 feet and the perpendicular distance between AB and DC equal to 8 over 9 foot.
Part A: we have to find the area of ABCD.



Part B:
We have to decompose this parallelogram into two triangles.
Join diagonal AC
As the diagonal of parallelogram divides it into two congruent triangles of equal area
Hence, the area of each triangle is


Answer:
<h3>The answer is 4.47 g/cm³</h3>
Step-by-step explanation:
The density of a substance can be found by using the formula

From the question
mass = 14.3 g
volume = 3.2 cm³
We have

We have the final answer as
<h3>4.47 g/cm³</h3>
Hope this helps you