Answer:
17
Step-by-step explanation:
square root of x-1 +5=9
square root of x-1 = 4multiple by power of 2 because square root is cancled by 2.
x-1=16,x=17
30 degrees is the value of the missing angle. Since, this triangle is known as an Isosceles all angles are equal.
Answer:
why isn't life reeeeeeeeeeeeeee
Step-by-step explanation:
You need to know these two formulas:

For example,

Answer:
66 inches
Step-by-step explanation:
:))