Home
Class 12
MATHS
If in a triangle ABC, (s-a)(s-b)= s(s-c)...

If in a triangle `ABC, (s-a)(s-b)= s(s-c),` then angle `C` is equal to

A

`90^(@)`

B

`45^(@)`

C

`30^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise For Sesssion 3|34 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise For Sesssion 4|10 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise For Sesssion 1|20 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|52 Videos

  • SEQUENCES AND SERIES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|38 Videos

Similar Questions

Explore conceptually related problems

Area of triangle = sqrt(……..(s-a) (s-b) (s-c))

If in a triangle ABC, cos3A+cos3B+cos3C=1 , then one angle must be exactly equal to

If in a Delta ABC, b =sqrt3, c=1 and B-C =90^(@), then angle A is

If in triangle ABC, a, c and angle A are given and c sin A lt a lt c , then ( b_(1) and b_(2) are values of b)

In a triangle ABC, a = 4, b=3, angle A = 60^@ , then c is the root of the equation :

Fill in the blank In a triangle ABC, if BC = AB and angle C = 80^(@), then angle B = ............

Let a,b, c are the sides opposite to angles A, B , C respectively in a Delta ABC tan""(A-B)/(2)=(a-b)/(a+b)cot ""C/2 and (a)/(sin A)=(b)/(sin B) =(c)/(sin C), If a=6,b=3 and cos (A-B) =4/5 Angle C is equal to

Statement I In a DeltaABC, sum (cos ^(2)""(A)/(2))/(a ) has the value equal to (s^(2))/(abc). Statement II in a Delta ABC, cos ""A/2=sqrt(((s-b)(s-c))/(bc)) cos ""(beta)/(2)=sqrt(((s-a) (s-c))/(ac)), cos ""c/2= sqrt(((s-a)(s-b))/(ab))

Let ABC be a triangle such that angle A =45^(@) , angle B =75^(@), then a+c sqrt2 is equal to

In a triangle ABC if angle A= 60^@ ,a=5,b= 4, then c is a root of the equation :

Home
Profile