noelleerobinson noelleerobinson
  • 04-05-2020
  • Mathematics
contestada

Two concentric circles have radii 6 and 14. Find the length of a chord of the larger circle that is tangent to the smaller circle.

Respuesta :

surjithayer10 surjithayer10
  • 04-05-2020

Answer:

Step-by-step explanation:

let 2x be the length of chord tangent to first circle.

so x=√(14²-6²)=√(14+6)(14-6)=√(20×8)=√160=4√10

length of chord=2x=2×4√10=8√10

Answer Link

Otras preguntas

What were some events/things that caused the Great Depression?
A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square
USE A NUMBER LINE TO FIND 8/9 / 8/45.
How many grandparents have my grandparents? who can solve it is very good on maths! it is just a lpgic problem! i know the answer :)
which explorer sailed for france?
Which period was the “golden age of dinosaurs”? a. the Triassic Period b. the Jurassic Period c. the Cretaceous Period d. the Tyrannosaurus Period
Why does Louis XIV want to expand France's border?
A tree was chopped down and cut up in a local forest.The tree changed in shape.What kind of change took place?A.chemical changeB.physical change C.phase changeD
what is the kingdom and phylum of a euglena protest?