The graph shows quadrilaterals Q and R. y 8 6 4- 21 2 4 6 8 -8 -6 -4 -2 -2 -41 R -61 -8 Which statement justifies whether or not the two quadrilaterals are congruent? A. Yes, because R is the result of reflecting across the x-axis. OB. Yes, because R is the result of reflecting across the line y = x. O C. No, because R can only be obtained from Q by a series of rigid transformations. D. No, because R cannot be obtained from Q by a series of rotations and translations. OE. Yes, because R is the result of rotating Q by 90° counter-clockwise about the origin.

< xcy ≅ < xby

step-by-step explanation:

in δcax and δbax,

so, δcax ≅ δbax (side-angle-side or sas)

since δcax ≅ δbax, we can conclude < acx ≅ < abx

in δacy and δaby,

so, δacy ≅ δaby (side-angle-side or sas)

since δacy ≅ δaby, we can conclude < acy ≅ < aby

now,

< acy ≅ < aby

=> < acx + < xcy ≅ < abx + < xby

=> < acx + < xcy ≅ < acx + < xby   (since < acx ≅ < abx already proved above)

subtracting < acx from both sides, we get

< acx + < xcy -< acx ≅ < acx + < xby -< acx

cancelling out < acx and -< acx from both sides, we get

< xcy ≅ < xby (proved)

is there supposed to be a diagram or a graph for this one? ?

step-by-step explanation:

answer is c

step-by-step explanation:

81/12=324/x

x=48