Answer:
(-1,-1)
Step-by-step explanation:
-3 because you could eliminate the 3x by subtracting it by 3x
Answer:
2 21 degree angles
Step-by-step explanation:
An isosoles triangle has two congruent angles and every triangle's sum of interior angles equals 180 degrees. 138*2>180, so the 138 degree angle cannot be congruent to any of the other angles. Therefore:
180=138+2x
42=2x
21 degrees=x
Cual numeros? No hay nada