Answer:
D.) SAS
Step-by-step explanation:
AB = AC
BD = CD
<B = <C
So 2 triangles are congruent by SAS
Answer:

Step-by-step explanation:
The length of a chalkboard, l = 1.7
The width of a chalkboard, b = 0.9 m
We need to find the area of the chalkboard. The formula for the area of a rectangle is given by :

So, the area of the chalkboard is equal to
.
Answer:
Angle D is 45 degrees. The side length is 9 in.
Step-by-step explanation:
In a rotation, side lengths and angles do not change.
For this case we have the following expression:

We must find a term that is a common factor for both terms of the given binomial.
We then have that for 4x, the factored expression is given by:

Answer:
The factored form of given expression is:

Option 2