CelestialMxxn
CelestialMxxn CelestialMxxn
  • 27-09-2021
  • Mathematics
contestada

Two concentric circles are of radii 5 cm and 3 cm. Determine the length of the chord of the larger circle which touches the smaller circle.

Respuesta :

MilkyChxco
MilkyChxco MilkyChxco
  • 27-09-2021

Answer: 4

Step-by-step explanation:

In triangle OCB,

OB2  =  OC2 + BC2

52  =  32 + BC2

BC2  =  25 - 9

BC2  =  16

BC  =  4

Ver imagen MilkyChxco
Answer Link

Otras preguntas

what country in saharan and southern africa has the highest population? A. South Africa B. Nigeria C. Angola D. Congo
why settlers came to california
A close plane figure with all sides congruent and all angles congruent is called a
In 1972, Nixon became the first US president to
Negative space is particularly important and highly utilized in creating ____________
mengapa rusia bisa menjadi negara maju meskipun menggunakan sistem ekonomi komando
What best describes a single cell organism
Which example involves the transformation of chemical energy directly into light energy? A) a wind mill B) a glow stick C) photosynthesis D) a hydroelectric
what event in Europe in 1808 encouraged widespread rebellion in Latin America
Alex does an experiment to see if mice grow faster when given different food sources. He has two groups of mice. One group he feeds food A, and the other group