Flag Engineering Entrance Exams> In a triangle, the lengths of the two lar...
question mark

In a triangle, the lengths of the two larger sides are 10 and 9 respectively. If the angles are in A.P., then the length of the third side can beA. 5 ± v6B. 3v3C. 5D. none of the above

Manvendra Singh chahar , 11 Years ago
Grade Upto college level
anser 1 Answers
SHAIK AASIF AHAMED

Last Activity: 10 Years ago

Hello student,
Let the angles be a-d,a,a+das they are in A.P
sum=180 gives a=60
by applying cosine rule we get cos 60=((x2+100-81)/2*x*10)
after solving we get x=5\pm \sqrt{6}
Thanks and Regards
Shaik Aasif
askIITians faculty

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

question mark
consider the figure of a single riveted lap joint as follows
engineering entrance exams
0 Answer Available

Last Activity: 2 Years ago

question mark
Hello, Can we learn and prepare for MHT-CET online ?
engineering entrance exams
0 Answer Available

Last Activity: 3 Years ago