Answer:
Step-by-step explanation:
2x^2+10x+12 greatest common factor is 2
2(x^2+5x+6)=
2(x+2)(x+3)
∠BEI ≅ ∠CEH because vertical angles are congruent; rotate ΔCEH 180° around point E, then translate point C to point B to confirm∠IBE ≅ HCE.
i got it right on the test
Answer:
twelve faces
Step-by-step explanation:
12 sides
Sum of interior angles of a triangle = 180
so
<span>third angle = 180 - 78 - 49 = 53
</span>