because its isosceles so 9+9=x²
and x equal
2√3
Answer:

Step-by-step explanation:
22 + 1 = -x + 4
23 = -x + 4
- 4 - 4
________
19 = −x

I am joyous to assist you anytime.
Two solutions were found :
z =(2-√-116)/-20=1/-10+i/10√ 29 = -0.1000-0.5385i
z =(2+√-116)/-20=1/-10-i/10√ 29 = -0.1000+0.5385i
Step-by-step explanation:
What's the problem?
I don't see it
Step-by-step explanation:
1/2*216*height
2/216=18
so height =18.