Answer:
1, 4 2, -3 3, 5.5 4, -2.5
Step-by-step explanation:
Answer:

Step-by-step explanation:
The area of a triangle is given by:

From the diagram 
We substitute into the formula to get:

This implies that:

I believe it’s the last answer. Rotation of 180 degrees clockwise with a dilation of 5.
Answer:
SAS
Step-by-step explanation:
AD = DC Given
<ADB = <CDB Givien
BD = BD Reflexive property.
The angle is between the 2 sides. The triangles are congruent by SAS.
I think it's 30,000 because 8 rounds to 10 so 28 rounds to 30