Answer:
i think it's:
Step-by-step explanation:
x=-2
When 2 secants intersect a circle:
(DC + CE) * CE = (AB + BE) * BE
( 1 + (x+4)) * (x+4) = (11 + (x+1)) * (x+1)
x + x^2 + 4x + 4 +4x +16 = 11x +x^2 +x +11 +x +1
9x + 20 = 13x + 12
4x = 8
x = 2
Source:
http://www.1728.org/circangl.htm
Scroll down to Two Intersecting Secants
Gee - that was a little bit of work!!
Answer:
the answer is 55
Step-by-step explanation:
all angles have to equal up to 180.
55+30=85
85+40=125
180-125=55
Answer:
2
Step-by-step explanation:
Answer:
c?
Step-by-step explanation:
