Go to NASA's website. I'm not sure you can because we don't know the scale of the picture but if you are given one such as 1 cm = 500 miles or something like that, you just find the center of the circle and make a line through it. If the line measures 4.5 cm then the diameter is 2500 miles. This is an example. YOU'RE WELCOME :D
Answer:
Yes there is a constant rate of change of 1/3.
Step-by-step explanation:
The slope stays the same the whole time therefore the ratio does not change, so it is proportional.
Answer:

Step-by-step explanation:
a^2 +b^2 =c^2 Use pythagorean theorem
8^2 +b^2 =9^2 Substitute in your known values
b=
b=
A triangle leg cannot be a negative length
Find cosine of angle theta.