Answer:
- Parallelogram has two pairs of parallel sides.
- Square has four right angles, two pairs of parallel sides, and all sides congruent.
- Trapezoid has only one pair of parallel sides.
Step-by-step explanation:
Answer: −22
Step-by-step explanation:
=−14−8
=−14+−8
=−22
D. 1/4
Explanation:
a perfect square is written in the form
(1)
In our problem, we have this perfect square:
(2)
with C being unknown. However, by comparing (1) and (2), we know that

So, we find

and therefore, the missing term must be

so the complete square is

Answer:
(4, 5)
Step-by-step explanation:
Calculate the midpoint using the midpoint formula
midpoint = [( + ), ( + ) ]
with (, ) = (1, 2) and (, ) = (7, 8)
midpoint = [(1 + 7), (2 + 8) ]
= (4, 5)