Answer:
a = - 3 and b = 4
Step-by-step explanation:
Given

Simplify 
=
=
×
= 3
Thus expression can be written as

Multiply numerator/denominator by 
noting that
×
= 2
= 
= 
Dividing each term on the numerator by 2
= 4
- 3
= - 3 + 4
with a = - 3 and b = 4
First, make 6 1/3 a improper fraction:

. Now we have 19/3*7/3:

.
They would be similar triangles because they cannot be congruent due to the fact that the side lengths are different. They are dilutions of each other which again proves that they are similar, not congruent.
Answer:
13.2
Step-by-step explanation:
√175 ≈ 13.2 . . . units
The area of a square is the square of the edge length. Hence, the edge length is the square root of the area.