zulqurnain zulqurnain

02-04-2017
Mathematics

contestada

ABC IS a right angled triangle at B and D is a point on BC. If AD=18cm , BD=9cm and CD = 4 cm, find AC

Respuesta :

ElenaClairmont ElenaClairmont

02-04-2017

[tex]AB = \sqrt{ AD^{2} - BD^{2} } = \sqrt{243} = 9 \sqrt{3} [/tex]
[tex]AC = \sqrt{ AB^{2} + BC^{2} } = \sqrt{412} = 2 \sqrt{103} [/tex]

Answer Link

Otras preguntas

declan ran 500 meters in 5 minutes . calculate the unit rate

determine the intervals on which the function is increasing, decreasing, and constant

PLZZZ HELPPPPWhat role does brutus no.1 have when it comes to the 3 branches of gov't ( executive,judicial, legislative)

Name the categories in which food can be grouped.

(High school Sociology) The United States has an open class system based on social mobility that includes a. horizontal mobility. c. intergenerational mobili

9 candies cost less than $10 while 10 cost more than $11 how much does each candy cost

One number is 5 times another number the difference between the two numbers is 1460 what is the two numbers

What comes first translation or transcription

What is y+1=5/6(x-2) in standard form?

During the early part of the 20th century, new governments often grew out of the strong emotions and social attitudes of a country's people. What emotions were