Answer:
50.274in
Explanation:
Half circle perimeter
9/2 = 4.5
2 * pi * 4.5 = 28.27433388230814
28.27433388230814 + 5 + 12 + 5 = 50.27433388230814
Answer = 50.27433388230814
Rounded to nearest hundredth = 50.274
I hope I helped. Brainliest would be appreciated
I'm taking "part 3" to mean the 3rd of the posted questions.
If
, then


Then when
, we get
.
Answer:

Step-by-step explanation:
Notice that all three sides of the given triangle has one tick mark.
This means that all three sides are congruent, meaning that we have an equilateral triangle.
And for equilateral triangles, all three angles are also congruent.
So:

Also, recall that the interior angles of a triangle is always 180. Thus:

Substitute:

Combine like terms:

Substitute:

Multiply:

Thus:

And we are done!
Answer:
3 boxes
Step-by-step explanation:
you would divide 12 by 4 and get 3 so shade in 3 boxes
Answer:
1000000
Step-by-step explanation:
Add 10 with 6 0's