in quadrilateral ABCD mA=x mB=2x mC=3x and mD=4x. Find the value of x and then state which pair of sides of ABCD must be parallel

5/12, or 5: 12

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

step-by-step explanation:

idk the answer i want to say 10 but then it would be equal so try 9 but then yeah so yeah we love edgen

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.