For the Points $A ( 1 , - 2 , - 1 ) , B ( 2 , - 7,4 ) , C ( 1 , - 6 , - 5 ) , D ( 2 , - 11,0 )$

question 109

Essay

For the points $A ( 1 , - 2 , - 1 ) , B ( 2 , - 7,4 ) , C ( 1 , - 6 , - 5 ) , D ( 2 , - 11,0 )$ :
a. Verify that the points are vertices of a parallelogram. Show all work.
b. Find the area of the parallelogram. Show all work.
c. Determine whether the parallelogram is a rectangle.

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Definitions:

Cash Interest Paid

The actual amount of interest in cash that a company pays on its borrowings during a specific period.

Effective Yield

A measure of the return on an investment taking into account the effect of compounding interest, more accurate than simple yield calculations.

Present Value Factors

Multipliers used in calculating the present value of a future amount of money or stream of cash flows given a specified rate of return or discount rate.

Floating-rate Debt

Debt instruments, such as bonds or loans, that have variable interest rates that adjust over the tenure of the obligation.