jrub1233 jrub1233
  • 04-05-2018
  • Mathematics
contestada

AB is tangent to circle O at B. Find the length of the radius, r, for AB = 5 and AO = 13.

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 08-05-2018
ΔABO is a right triangle with AB⊥BO. The radius of the circle is BO. The Pythagorean theorem applies.
AO² = AB² + BO²
13² = 5² + r²
169 -25 = r²
r = √144 = 12

The radius (r) is 12.
Answer Link
Risa290
Risa290 Risa290
  • 06-10-2018

the radius is twelve

Answer Link

Otras preguntas

What is most likely the author’s intent in his description of the conflict between the Lilliputians and Blefuscudians in Chapter IV of Gulliver's Travels? Ques
Although designed to support remote dial-in access to a corporate network, what service below is commonly used with 802.1x port security for both wired and wire
Explain how to simplify this complex fraction. Interpret the meaning of the result.
which of the following is an even function
What does a Materials filter attempt to do
United States acquired the area labeled number 6 on the map as a result of which of the following treaties?
90% to % are ratio please anyone know this
Describe the Battle of Britain (including the London Blitz). What do you think Hitler's primary motivation was for these bombings?
How does the writ of habeas corpus affect the courts?
The style of urban government in which members take an oath of permanent association is called Select one: a. a staple. b. a Cortes. c. a Parlement. d. lim