By minusing 12 to both sides
d+12=2
-12=-12
d =-10
Answer:
its A
Step-by-step explanation:
im not gonna step by step it becuase i dont have time but its A
Answer:
Interior angles im pretty sure
d^2+35+109=180
d=6
HOPE THIS HELPS
-Todo <3
Step-by-step explanation:
d^2+35+109=180
144+d^2=180
-144 -144
36=d^2
d=6
Answer:
2x= 40°
5x= 100°
Step-by-step explanation:
2x on opposite angle because it is an isosceles triangle
2x+ 2x+ 5x = 180° (angles of a triangle)
9x= 180
x= 180/9
x= 20°
Sub
2(20)= 40°
5(20)= 100°
