Question

Geometry math question

Answer 1

we are given that

ABCD is a parallelogram

so,

AB=CD

AD=BC

Calculation of x:

AB=CD

`x+30=2x-10`

now, we can solve for x

`x=40`

Calculation of y:

AD=BC

`2y-10=y+10`

now, we can solve for y

`y=20`

calculation of z:

`z=x-y`

we got

`x=40`

`y=20`

we can plug it

`z=40-20`

`z=20`

option-B..............Answer