Answer:
See Below.
Step-by-step explanation:
We are given that ABC is a triangle in which AB = AC.
A circle passing through B and C also intersects the sides AB and AC at points D and E respectively.
And we want to prove that AD = AE.
By the secant-secant theorem (shown below), we know that:

We are given that AB = AC. So, by substitution:

And by dividing both sides by AB (AB ≠ 0), we acquire:

Q.E.D.
Answer:
x = 45 degrees
Step-by-step explanation:
Opposite adjacent angles are congruent
160 - x = 115
x = 45
Answer:
x = -4
Step-by-step explanation:
Divide each side by 3, so x can be isolated:
3x = -12
x = -4
So, the answer is x = -4
Answer:
16.9
Step-by-step explanation:
Answer:
This variable that is impacted by manipulating the independent variable is known as dependent variable
Step-by-step explanation:
One of the methods to test a hypothesis is the use of independent variable. The independent variable is manipulated to know if the change will be effective or not.
The variable which will be impacted by the independent variable is called dependent variable. The researcher manipulated the values for independent variable to check if the dependent variable changes or not ..