Answer:
see explanation
Step-by-step explanation:
Since figure B is smaller than Figure A then Figure B is a reduction.
To find the scale factor, calculate the ratio of corresponding sides, image to original.
Using the base lines of both triangles, then
scale factor k =
= 
Answer:
77.8743
Step-by-step explanation:
that is the awse if not it should look like 77.874
5 and 5/10s sounds like 5.5 so I'd do 5.5+0.02=5.52
Answer:

Step-by-step explanation:
Midpoint formula is
---------------(1)
Here

Substituting values in equation (1)


Step-by-step explanation:
Alternate and corresponding angles.