The formula of a volume of a cone:
![V=\dfrac{1}{3}Bh[/rex]B - area of a baseh - heightWe have[tex]V=90\ cm^3,\ B=18\ cm^2](https://tex.z-dn.net/?f=V%3D%5Cdfrac%7B1%7D%7B3%7DBh%5B%2Frex%5D%3C%2Fp%3E%3Cp%3EB%20-%20area%20of%20a%20base%3C%2Fp%3E%3Cp%3Eh%20-%20height%3C%2Fp%3E%3Cp%3EWe%20have%3C%2Fp%3E%3Cp%3E%5Btex%5DV%3D90%5C%20cm%5E3%2C%5C%20B%3D18%5C%20cm%5E2)
Substitute:

<h3>Answer: 15 cm.</h3>
-7+15. this is what i think it is.
Answer:
30
Step-by-step explanation:
4(8)-2=32-2=30
Hope it helps! :)
Answer:
im going to be honest i havent done this since las year and so i dont remember the value of that line outside but i think its 70*
Step-by-step explanation:
reason is because the c is originally 180* but it has more of and angle so the angles obv increases and you can get the angle by multiplying 70*times 7x and divide by 3
i say 3 because of the amount of angles in a triangle and the line outside if i remember correctly is the "angles" of a triangle and that would be your answer
Answer:
b
Step-by-step explanation: