Answer:
B. a circle inscribed inside the triangle
Step-by-step explanation:
The incenter is the center of the inscribed circle. The incenter is the intersection of angle bisectors.
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The center of mass and balance is the <em>centroid</em>, the intersection of medians.
Answer:
the area is 124.8 i believe because if you do 12 times 12 you get pretty much 124.8
Step-by-step explanation:
Answer:
33333
Step-by-step explanation:
Answer:
The area of the Iris is 4 times greater.
Step-by-step explanation:
Firstly, we have to realize that we cannot solve this problem without knowing the radius of the iris. because from the information given, the radius of the iris could well be the size of the galaxy and contract from width of 4mm to 2mm and we wouldn't know!
The average radius of the iris is 6mm, so we take this value.
Now, initially the width of the iris is 4mm, that means the radius of the pupil is:

Therefore it's area
is:

When the iris contracts to 2mm, the radius of the pupil becomes:

Then it's area is
:

To find how many times greater this final area is than the initial area, we just divide it by the initial area:

This is 4 times greater than the initial area.
Ermm, Don't you think it's 60?
Cause in my caculatons it's 60