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 A TRIANGLE ABC WITH ALTITUDE AD, ANGLE BAC=45 DEGREES,DB=3 AND CD=2 THE AREA OF TRIANGLE ABC IS: 1) 6 2) 15 3) 15/4 4) 12

IN  A TRIANGLE ABC WITH ALTITUDE AD, ANGLE BAC=45 DEGREES,DB=3 AND CD=2
THE AREA OF TRIANGLE ABC IS:
1) 6 
2) 15
3) 15/4
4) 12

Grade:

1 Answers

Faiz
107 Points
4 years ago
Tan x+y = tan x+ tan y / 1 - tan x tan yA = 45° let AD = k , ANGLE DAB= x and ANGLE DAC= y....such that x + y =45°Tan x = 3/k and tan y = 2/kPut the values in the formula...-> 5/k = k² - 6 / k²-> k² - 5k - 6 = 0-> k=6, -1 k acnnot be -1Hence area of triangle ABC = 1/2 * 6 * 5 = 15 sq units

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