Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
Remember that
An isosceles triangle has two equal sides and two equal interior angles
In the isosceles triangle ABC
Applying the Pythagorean Theorem
Let
b ----> the length of the tents base




simplify

Answer:
<h2>
XN = 6</h2>
Step-by-step explanation:
If XY is bisector of angle AXN then: 
I think it is angle number 9
Answer: 40
Step-by-step explanation:
Alright, so if the first number is x, the second number is y, and the third number is z, we have x+y+z=270. Next, since we know that x=y-1 since it is less than y by one and z=y+1, we have y-1+y+y+1=y+y+y=3y=270. Dividing both sides by 3, we get y=90