3.9 * 5.3 ≈ 4 * 5
≈20
Well after doing your multiplication, you can place your decimal point by knowing that from estimation the answer is around 20.
So you can place your decimal point after the first two digits from the left.
This is distance formula is sqr. root of (x1-x2)^2 + (y1-y2)^2
(3-(-4))^2+ (-94-(-195))
7^2 101^2
49+ 10,201
square root of 10250
101.242 or the closest answer to this
The value of the scale factor is 3. Then the height and area of the triangle ΔABC will be 9 ft and 54 square ft.
<h3>What is dilation?</h3>
Dilation means the changing of the size of the object without changing the shape. The size of the object may be increased or decreased based on the scale factor.
The area of the triangle ΔDEF is 6 square ft. And the base length of the triangle ΔDEF is 4 ft.
The area of the triangle is given as

Then the height of the triangle ΔDEF will be

Then the scale factor will be

Then the height of the triangle ΔABC will be

Then the area of the dilated triangle ΔABC will be

More about the dilation link is given below.
brainly.com/question/2856466
#SPJ1
Answer:
It should be the volume of the cylinder.
I'm 85% sure. Hope this is right.
Given data:
The given cube .
The expression for the volume of the sphere is,

Thus, the volume of the sphere is 261 cubic-m.