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

common subject of theodore nunez ureta paintings
The primary reason that Francisco Pizarro was able to conquer the Incas was ___________.
In seedless plants, a fertilized egg will develop into _____.
the approximate distance from Earth to the sun is 93 million miles, what is the approximate distance from Venus to the sun?
plzzzz help asap lost ten u gain it asap
Companies like​ coca-cola and geico have formed​ ________, typically led by a senior marketing executive and made up of experts from across the​ organization, w
How did social classes develop in ancient china?
Who was elected King of Germany? a. Otto I c. Henry IV b. Henry III d. Frederick Barbarossa
The local school sponsored a mini marathon and supplied 84 gallons of water per hour for the runners. What is the amount of water in quarts per hour
System of equations A zoo keeps birds (2-legged) and beasts (four-legged). If the zoo contains 60 heads and 200 feet, how many birds and how many beasts live th