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find the length of the diagonals of rectangle QRST

11:

since diagonal are equal of rectangle

QS=RT

4x+6=6x-4

6+4=6x-4x

2x=10

x=10/2

x=5

now

diagonal :4x+6=4*5+6=26

12.

again

QS=RT

9x+12=11x-10

12+10=11x-9x

2x=22

x=11

now

diagonal=9*11+12=99+12=111

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

if e is the midpoint of bd, then bd is 14.

step-by-step explanation: