danmattscott danmattscott
  • 25-05-2018
  • Mathematics
contestada

AD is a common internal tangent to circles B and C. Find the length of the radius of circle B. Round to the nearest hundredth.

AD is a common internal tangent to circles B and C Find the length of the radius of circle B Round to the nearest hundredth class=

Respuesta :

nustopocru nustopocru
  • 25-05-2018

As AD is common tangent,

<BAE=90=<CDE

Also <BEA=<CED as they are opposite angles

By AAA, the two triangles, ABE and DCE, are similar

so AB/EA = DC/ED

AB = EA * DC/ED = 18 * 4/6

= 12

Answer Link

Otras preguntas

Which biological process involves the conversion of one type of chemical energy into another type of chemical energy? A. cellular respiration B. transpira
Are the corresponding sides of similar hexagons are always congruent
What are the four factors that decide what committee a congressman will join
How did the black power povenment impact the fight for civil rights?
the length of a rectangle is 6 meters less than it's width. find the dimensions of the rectangle of its area is 27 square meters
Using a story of ratios or tape diagram answer this question. A taxi cab in Myrtle Beach charges $2 per mile and $1 for every person. If a taxi cab ride for tw
Many species of chemosynthetic bacteria have evolved symbiotic relationships with other organisms. For example, chemosynthetic bacteria can be found in the bodi
Verify that cos (270° - q) = -sin q is an identity.
can depletion to the ozone cause changes to the biochemical cycles
Approximately how many soldiers were killed or wounded in ww1