Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

In 4ABC, altitude AD = 24, inradius of 4ABD = 3 and inradius of 4ACD = 6. Find BC.

In 4ABC, altitude AD = 24, inradius of 4ABD = 3 and
inradius of 4ACD = 6. Find BC.

Grade:10

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear ajinkya


7165-2498_7662_untitled.JPG

tanB = AD/BD  = 24/BD


tanB/2  = r1/(BD-r1)


tanB = 2tanB/2 /( 1 - tan2B/2)

  24/BD     = 2 {r1/(BD-r1)}/ 1- { r1/(BD-r1)}2

 BD = (24r1 -r12 )/(12-r1)

 r1 =3

 BD = 7


similerly

 CD = 18

BC = 7+18 = 25

Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you the answer and detailed
solution very  quickly.
 We are all IITians and here to help you in your IIT JEE  & AIEEE preparation.

 All the best.
 
Regards,
Askiitians Experts
Badiuddin

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free