If the incircle of `DeltaABC` touches the sides BC, CA, AB respectively are `D(3, 4), E (4,3), F(-3,-4)` and the slope of internal bisector of |A is m, then `|m|=`

Incircle of DeltaABC touches the sides BC, AC and AB at D, E and F, respectively. Then answer the following question angleDEF is equal to

Incircle of DeltaABC touches the sides BC, AC and AB at D, E and F, respectively. Then answer the following question angleDEF is equal to

In the given figure, D, E and F are the points where the incircle of the DeltaABC touches F the sides BC, CA and AB respectively. Show that AF+ BD + CE = AE + BF + CD = (perimeter of Delta ABC)

Incircle of DeltaABC touches the sides BC, AC, and AB at D, E, and F, respectively. Then answer the following questions: angleDEF is equal to

Incircle of DeltaABC touches the sides BC, AC and AB at D, E and F, respectively. Then answer the following question The length of side EF is

Incircle of DeltaABC touches the sides BC, AC and AB at D, E and F, respectively. Then answer the following question The length of side EF is