In rectangle JKLM,
40
20
50
35

Answer:
35
Step-by-step explanation:
It’s a 90 degree angle. 3x35=105 and 105-15=90
Answer:
x = 35
Step-by-step explanation:
Angle JML is 90 degrees
3x-15 = 90
Add 15 to each side
3x-15+15 = 90+15
3x = 105
Divide each side by 3
3x/3 =105/3
x = 35