Answer:
28°
Step-by-step explanation:
soln
(x+3)°+(2x+3)°
x°+3°+2x°+3°=90°(beign complementary angles)
3x+6=90°
3x=90°_6
3x=84
x=84/3
x=28°
Answer:
x=6
Step-by-step explanation:
AB=BC
3x+3=2x+9
x=6
Answer:
two dimensional triangle
Step-by-step explanation:
im not smart but im pretty sure its that
Answer:
45
Step-by-step explanation:
9x10/2=45