# Funnel

The funnel has the shape of an equilateral cone. Calculate the surface wetted with water if we poured into the funnel 7.1 liters of water.

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Ratio

The radii of two cones are in the ratio 5.7 Calculate the area ratio if cones have same height. - Value

Find the value of the expression: 6!·10^-3 - Geometric progression 2

There is geometric sequence with a_{1}=5.7 and quotient q=-2.5. Calculate a_{17}. - Geometric sequence 4

It is given geometric sequence a_{3}= 7 and a_{12}= 3. Calculate s_{23}(= sum of the first 23 members of the sequence). - Tenth member

Calculate the tenth member of geometric sequence when given: a_{1}=1/2 and q=2 - Roots

Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ? - Linsys2

Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144 - Theorem prove

We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - Five members

Write first 5 members geometric sequence and determine whether it is increasing or decreasing: a_{1}= 3 q = -2 - GP - 8 items

Determine the first eight members of a geometric progression if a_{9}=512, q=2 - Discriminant

Determine the discriminant of the equation: ? - Equation

How many real roots has equation ? ? - Quadratic equation

Find the roots of the quadratic equation: 3x^{2}-4x + (-4) = 0. - Power

Number ?. Find the value of x. - Center traverse

It is true that the middle traverse bisects the triangle? - Seats

Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row - AS sequence

In an arithmetic sequence is given the difference d = -3 and a_{71}= 455. a) Determine the value of a_{62}b) Determine the sum of 71 members.