Answer:
c
Step-by-step explanation:
x²+y²+4x+6y=0
compare with x²+y²+2gx+2fy+c=0
centre is (-g,-f)=(-2,-3)
radius=√(g²+f²-c)=√((-2)²+(-3)²-0)=√13
Hello,
Answer:
x = 13
Step-by-step explanation:
7x + 5 + 5x + 19 = 180
⇔ 12x + 24 = 180
⇔ 12x = 180 - 24
⇔ 12x = 156
⇔ x = 156/12
⇔ x = 13
A: rhombus and squares have four equal sides.
Answer:
176
Step-by-step explanation:
