Answer:
x=4, ADE=59°
Step-by-step explanation:
this is a rectangle so the total angle is equal to 90 so
(4x+15)+(13x+7)=90
= 17x+22=90
= 17x= 90-22= 68
= x= 68÷17=4
,x = 4
and then
4x+15= 4×4+15= 31
,angle ADE will be
= 180-(90+31)= 59°
