+0  
 
0
445
1
avatar

LMN is a right angled triangle with M being the right angle

LN=(√27+√12)

MN=(√18+√8)

Show that MN=5cm

 Mar 6, 2017
 #1
avatar
0

LMN is a right angled triangle with M being the right angle

LN=(√27+√12)

MN=(√18+√8)

Show that MN=5cm

 

=(√27+√12)^2 - (√18+√8)^2 =(MN)^2

=     75            -        50        = (MN)^2

(MN)^2 = 25 take the sqrt of both sides

MN = 5 cm.

 Mar 6, 2017

4 Online Users

avatar
avatar