Home
Class 11
MATHS
If in a Delta^("le") ABC, a, b and angle...

If in a `Delta^("le") ABC, a, b and angle A` are given `C_(1),C_(2)` are possibel values of 3rd side then

A

`C_(1)+C_(2)=2b cosA`

B

`C_(2)C_(2)=b^(2)-a^(2)`

C

`C_(1)^(2)+C_(2)^(2)- angleC_(1)C_(2) Cos2A=4a^(2)cos^(2)A`

D

`C_(1)+C_(2)=2a CosB`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-IV) (LEVEL-II) (Matrix Matching Type Questions)|2 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL 1 (MAIN)) (Straight Objective Type Questions)|59 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-IV) (LEVEL-I) (Straight Objective Type Questions)|4 Videos

  • PLANES

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|30 Videos

  • PROPERTIES OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISES|55 Videos

Similar Questions

Explore conceptually related problems

In Delta^("le") ABC , if a , b and A are given then there are two triangles are formed with third side c_(1) " and " c_(2) such that then the value of (c_(1) - c_(2))^(2) + (c_(1) + c_(2))^(2) tan^(2)A =

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

In DABC, a, b, A are given and c_(1), c_(2) are two values of the third side c. The sum of the areas of the two triangles with sides a, b, c_(1) " and " a, b, c_(2) is

In Delta^("le") ABC , if a,b and A are given then there are two triangles are formed with third side c_(1)" and " c_(2) such that the sum of their areas is

If in Delta ABC the sides a,b,c are in A.P. Then

The sides of a Delta ^("le') ABC be 8, 7, 6 and smallest angle is C then The length of altitude from vertex C is