The correct answer is C, since 7:5*3 is 21:15.
It's B or C I think I'm not to sure
Answer:

Step-by-step explanation:
first, you should draw a line to separate the triangle from the rectangle
You can get the height if the triangle by saying 16-9
This will give you 7
The base of the triangle is 3 because the opposite side is given and the opposite sides of a rectangle are equal
Now that we have the measurements of the triangle we can use the Pythagorean theorem





Answer:1689
Step-by-step explanation:
Delta Math