(20*30)/2 = 300
300 km is the area of the triangle
As they are vertical angles, their magnitude will be equal.
8x+8 = 2x+38
8x-2x = 38-8
6x = 30
x = 5
So, Your Final Answer would be 5
Hope this helps!
Answer:
Option B is correct.
Step-by-step explanation:

We need to solve the above expression.
First Convert Mix fraction into improper fraction

Combining the like terms

Solving like terms

Multiply each term with 2


So, Option B is correct.
That is a proabola, you must solve the equation given to find the answer