Question

OU CAN UN
Each surface area of a cube is 100 cm ?. The cube is cut into two equal parts by a plane which is parallel
to the base then find total surface area of equal parts. Then find total surface area of equal part.
A box without lid is made by wood of thickness 3 cm. Its outer length is 146 cm, breadth is 116 cm and​

Answer 1

Answer:

a2 = 100, a = 10

when cut into 2

forms 2 cuboids

l=l0,b=5, h=10

TSA of a cuboid=2h (I +b) +2 lb

20x15 +100 = 400cm2

TSA of 2 cuboids=800cm2. Ans