A. 168 cm.
V=lwh
4 x 7 x 6 = 168 .
1) -2 + (-2) = 1.2p + 1/4p
2) -4 = 1.2p + 0.25p
3) -4 = 1.45p
4) -4/1.45 = p
OK my friend if you times 15 by each of the amount of hours you will find out which one it is but in this case it will be 15 times 6 hours will equal out to be $90
1 is an isosceles
2 is scalene
3 is an equilateral
