Answer:
Volume = 35185.8 
Step-by-step explanation:
Recall the formula for the volume of a cone: 
Where R is the radius of the cone's circular base (in your case half of 80 km,(that is 40 km)
And h stands for the height of the cone (in your case 21 km)
We replace such in the formula and calculate its final value:
We round it to the number of decimals your problem request (let's say to one decimal) and also include the cubic units:
Volume = 35185.8
Answer:
account settings
Step-by-step explanation:
visit your account settings and click cancel subscription
Answer:
If I read your problem write: 126
Step-by-step explanation:
if I interpret this as
- (-3)* 2 * (5) * 2 * (7) * 3 divided by 5 * 2
we can get 126
because:
- (-3)* 2 * (5) * 2 * (7) * 3 divided by 5 * 2
= 6 * 5 * 2 *7 * 3 / (5*2)
= 60*7 * 3/ (5*2)
= 420 * 3 / 10
= 1260/10
= 126
Answer:
Step-by-step explanation:
The trick is not to get all caught up in Pythagoras. There is a much simpler way to do it. Find the area of the triangle two different ways. DG and DE are at right angles. That is one way to find area. The other is use the height (DF) and multiply that by the hypotenuse GE.
DG*DE/2 = GE * DF/2 Multiply both sides by 2
DG*DE = GE * DF
DG = 8
DE = 15
GE = 17
8*15 = 17* DF
120 = 17 * DF Divide by 17
120/17 = DF
DF = 7.06
