If in a triangle, ABC
then the sides p, q and r
are in AP
are in GP
are in HP
satisfy p+q=r
As we discussed in concept
Double Angle Formula -
- wherein
These are formulae for double angles.
=>
Option 1)
are in AP
This option is correct.
Option 2)
are in GP
This option is incorrect.
Option 3)
are in HP
This option is incorrect.
Option 4)
satisfy p+q=r
This option is incorrect.