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

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

06-10-2018

the radius is twelve

Answer Link

Otras preguntas

A decorative wall in a garden is to be build using bricks that are 3 3/4 inches thick and mortar joints that are 1/4 inch. Use the diagram to find the height o

Find the intersection point between the lines of equations:x+y-2=0 and 3x-y+4=0

application of printer

A 6 paragraph essay on anything you can do I can do better

How to find the surface area of a this cuboid

How is it possible for mad made things to move?

If you are camping in a rural setting and look up at the night sky, it can appear as if ________.

một hành vi có thể đồng thời là vi phạm pháp luật hình sự vừa là vi phạm pháp luật hành chính, nhưng không thể đồng thời vừa là vi phạm pháp luật hình sự vừa là

Answer pllllllleeeaaaaasssss

A Body is said to be in equilibrium when its:- a) Acceleration is uniform b) Speed is uniform c) Speed and acceleration are uniform d) Speed is uniform I need