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

A club decides to sell t-shirts for $15 as a fundraiser. It cost $20 plus $9 per t-shirt to make the t-shirts. Write and solve an equation to find how many t-sh

what are some possible factors that must remain constant during testing

step for solving this problem 15=0.5n

Mendel also performed ____Crosses which involve two ____Pairs with pea plants

The human embryo's first blood cells arise in the ___

The product of 9 and a number t

What is the midpoint of the line segment whose endpoint are (-8,12) and (-13,-2)

How to write -3 +(-4) as a subtraction problem?

5. In many countries of the world, labor formed its own... 9. Both workers and the work they do can be called... Please answer:)

Solve for B. R = x(A+B)