Answer:
625 pi (no approximation)or 1962.5(approximation)
Step-by-step explanation:
You do pi times radius squared.
what are you trying to find or how long did the worker work
Answer:
50 square units
Step-by-step explanation:
Using the formula provided,
, substituting the height (5), b1 (8) and b2 (12), we can solve for the formula.
![a = \frac{1}{2}\cdot5(8+12)\\\\a = \frac{1}{2}\cdot5(20)\\\\a = \frac{1}{2}100\\\\a = 50](https://tex.z-dn.net/?f=a%20%3D%20%5Cfrac%7B1%7D%7B2%7D%5Ccdot5%288%2B12%29%5C%5C%5C%5Ca%20%3D%20%5Cfrac%7B1%7D%7B2%7D%5Ccdot5%2820%29%5C%5C%5C%5Ca%20%3D%20%5Cfrac%7B1%7D%7B2%7D100%5C%5C%5C%5Ca%20%3D%2050)
Hope this helped!
Answer:
-1 3/4
Step-by-step explanation:
3/4 + (-2 1/2)
3/4 - 2
-1 3/4