Answer:
Step-by-step explanation:
Since SR and RT are equal they are opposite equal angles. The sum of angles must be 180.
2(2x+2)+3x+1=180
4x+4+3x+1=180
7x+5=180
7x=175
x=25
R=3x+1
R=3(25)+1
R=76 degrees.
5x-12=3x-4
2x=8
x=4
3x-4 becomes
3(4)-4
DE=8
