Answer:
1st one.
Step-by-step explanation:
Answer:
The answer is 12 units.
Step-by-step explanation:
Looking at the figure we see that

and

Now from equations (1) and (2) we have values for
and
so we put those into the equation (3) and get:



Therefore the answer is 12 units.
Answer:
200 → 400 → 800 → 1600 → 3200
Step-by-step explanation:
starting at 200 and multiplying by 2 until you have 5 numbers.
Answer:
90 degrees
Step-by-step explanation:
there is a 90 degree angle
Answer: 25
Explains:
Use: a^2+ b^2= c^2