86 r.0
602 r.0
658 r.0
Idk how im gonna be able to show the work cause theres no way to write it with a key board sorry (probably because i do it weird)
and sorry those took me forever to finish
The figure that is not completely constructed from polygons is cone because it has a curve and it not considered as polygon since a polygon is a 2 dimensional shape formed only with straight lines. Examples are pentagons, diamonds, and hexagons.
Answer:
k=1/2
It is a reduction
Step-by-step explanation:
To the scale factor, you simply divide the length of the post image by the image.
10/20=k
1/2=k
Answer:

Step-by-step explanation:
we know that
The area of the shaded sections is equal to the area of the circle minus the area of the triangle
so

where
----> the radius is half the diameter

substitute

