<u>Answer
</u>
AB=21
<u>Solution
</u>
In the triangle ABC two lines are parallel to side AC.In a triangle a line passing through two side and it is parallel to third side,then this line divides two side in equal ratio.
Here we take any of the parallel line, passing through AB and AC, and parallel to BC.
So we can write,
=
8x+1=6x+2.5x
x=1/0.5
x=2
Therefore AB = 6x+2x+1+2x =10x+1=21
Answer:
678.24mm³
Step-by-step explanation:
The volume of the cone is computed using the formula:
Where:
r = radius of the circular base
h = height of the cone
π = 3.14
We are given the following:
r = 6mm
h=18mm
π = 3.14
So now that we have that, we just fill in the formula:
<span>Tripling both dimensions would NOT triple the surface area. If you triple both dimensions, then the surface area is 9 times as long as the surface area of original cone.</span>
Answer:
x=3, y=1
Step-by-step explanation:
2x+y =7
3x-4y =5
Multiply the first equation by 4 so we can eliminate y
4(2x+y =7)
8x +4y =28
Add this to the second equation
8x +4y =28
3x-4y =5
----------------
11x = 33
Divide by 11
11x/11=33/11
x=3
Now we still need to find y
2x+y=7
2(3)+y =7
6+y=7
Subtract 6 from each side
6-6+y=7-6
y= 1
