It is given that and are right angles, and . since they contain right angles, δabr and δacr are right triangles. the right triangles share hypotenuse , and reflexive property justifies that . since and , the transitive property justifies . now, the hypotenuse and leg of right δabr is congruent to the hypotenuse and the leg of right δacr, so by the hl congruence postulate. therefore, by cpctc, and bisects by the definition of bisector.

it is b)

hope this : )

step-by-step explanation:

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.