subburaj9486 subburaj9486

15-01-2014
Math

Answered

what is the sum of squares of direction cosines of all the four diagonals of the cube?

Answer :

rahul11 rahul11

15-01-2014

length of the diagonal of a cube=12l=square=12l^2=144l^2

Answer Link

Other Questions

in this given diagram how is QP perpendicular to OP?? and same for QR and OQ. they dont look perpendicular whatsoever

Rcl nai aacetone r1 nacl which alkyl halide give max yield

a man driver drive the car 90 km per hour for 150 minutes find the speed of a car in the metre per second

Consider the field at point a due to two infininte wires a and b where a has a at a distance r from its midpoint and b has a at a distance r from one of its end

Calculate the amount of sodium chloride which must be added

8. Imagine that the Mistress meets the bear again on her next journey. She is surprised to find that the bear is able to talk to her. Build up the conversation

WRITE A DIARY ENTRY IN ABOUT 100-120 WORDS TO DESCRIBE AN INCIDENTS AT A PUBLIC PLACE THAT PUT AN EMBRASSING SITUATION DUE TO BAD PACKING OF YOUR BAG/LUGGAGER

ACROSS1. you can pay for a room and stay here3. to bring people togetherhumanCan youAzan,IAbe bli4. a melodious tune made by a voice futurinstruments (or both)5

Calculate molarity and molality of an aqueous solution of h2so4 whose mass percent is 15%. if the density of solution is 1.2 gm/cm^3

Express each of the following in p/q form:(i) 0.01010.....(ii) 2.002002002....(iii) 23.2525...(iv) 3.142857142857.....

full form of WHO??????????????????????

what is meant by the process of differentiation

Pleeeeeeeeeeeeeeeeeease answer. A car of mass 100 kg moving with a velocity of 36kmph hits a wall and comes to rest in 5 sec.Find the force exerted by the car o

wat is the perfect square root of 414

speech on greenary in english

Q. WHAT IS THE MEANING OF ARBOREAL?

give 2 differences between Atoms and Ions

why does cu2+(cupric ion) more stable than Cu+(Cuprous ion) even though cu+ has d-subshell fully filled? Kindly elaborate the reason!!!!

real Democracy is not possible with universal adult franchise explain

What's the meaning of drenched?