Answer:
Step-by-step explanation: o847434y3u3u44y4u5u5u5uu6
Y^2+4y=-8
add 8 both sides
y^2+4y+8=0 in the form of ax²+bx+c=0
Factor it
by formula
-b+-(√b²-4ac)/2a
-4+-(√16-32)/2*1
-4+-(√-16)/2
-4+-4i/2
-2+-2i where√-1=i
Answer:
452.4 cm
Step-by-step explanation:
the formula for the area of a circle is A = pi r^2
Ok first do you know how to find the area or a triangle and a rectangle