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

Fewer/less Which of the following sentence pairs employs correct terminology
I need help with a-g can anybody help me with it and help me show my work please
What is transporter of the cell?
Which of the following is not included in a standard paper dictionary? a. a link that allows you to hear the word b. the etymology of a word c. a word's pron
Why do many Muslims still consider Saladin a hero?
If you purchase a product from an online retailer, the safest method of payment is a. none of the above b. using a debit card. c. providing your checking accoun
What does Candies tu cumpleanos?
So i'm confused. 3a(powered 2) a= 8 Would it be the 3*8 then powered 2 or is the powered 2 for the eight?
Round 6.95 to one decimal place
What is 4806 rounded to nearest 1000