isischi
isischi isischi
  • 02-06-2020
  • Mathematics
contestada

please help! i’m stuck

please help im stuck class=

Respuesta :

PollyP52 PollyP52
  • 02-06-2020

Answer:

CD = 12.

Step-by-step explanation:

By the tangent-secant theorem:

AB^2 = AC * AD

8^2 = 4 * AD

AD = 64/4 = 16

Finally CD = AD - 4 = 12.

Answer Link

Otras preguntas

What happened as early Indians learned to make better use of local resources?
What compound is known as energy material
The tendency to perceive two things that happen close together in time as being related is known as
Sand volcanoes are a good indication that ________ has occurred in an area.
Who often travels in airplanes, experiences sudden fear of flying after he hears the news about an airplane crash. in this case, dan's experience demonstrates?
Jody is cutting wood to make picture frames. How many pieces of wood that are 10 3/4 inches long can cut from a board that is 75 1/4 inches long? A) 7 pieces B)
A Prize wheel has the numbers 0 through 36 on equally spaced sectors. The wheel is spun and contestants win a prize if the wheel stops at the number they choose
Most state constitutions reflect the influence of the what
The ________ is an independent federal agency that was created to enforce national election laws
Margo borrows $600, agreeing to pay it back with 4% annual interest after 18 months. How much interest will she pay?