Answer:

Step-by-step explanation:
First consider the diagram:
Now, we know that

Now, the area of the triangle ABC is given by,

Answer:
I think the answer is the third one
Step-by-step explanation:
Answer:
Its B
Step-by-step explanation:
Other guy can kiss my as
Answer:
It is a Geometric sequence
Common ratio = 1/5
Step-by-step explanation:
Whole chain: 25, 5, 1, 1/5, 1/25, 1/125, 1/625, 1/3125
Hope this helped