Answer:
Step-by-step explanation:
ΔADC and ΔDBC are similar (AAA)
Therefore the cooresponging sides are in proportion:
Substitute:
<em>cross multiply</em>
48/(3+9)
The answer is 4
*Note: "/" means divide, my phone doesn't have a division sign.
Usually this is around 10 feet<span> (</span>3 m)
Answer:
They charge an equal amount of money each hour.
The red square means the triangle is a right triangle so you can solve for x using the Pythagorean theorem.
x = √(16.1^2 - 7.1^2)
x = √(259.21 - 50.41)
x = √208.8
x = 14.4499
Rounded to the nearest tenth x = 14.4