34.9 because its 90 angle so you subtract the 55.1
8s-8 is answer
Just distribute
..Answer:
Step-by-step explanation:
...
The formula for N choose K is given as:
C(n, k)= ![\frac{n!}{[k!(n-k)!] }](https://tex.z-dn.net/?f=%20%5Cfrac%7Bn%21%7D%7B%5Bk%21%28n-k%29%21%5D%20%20%7D)
Where,
n is the total numbers.
k is the number of the selected item.
Options C is correct.
Use these formulas to get the surface area and volume. Hopes this helps! ❤️