Question

fill in the blanks. ​

Answer 1

Answer:

1.total surface area of cylinder is 2πr(r+h)

2.arithmetic mean of first 10 odd numbers is 10

3. difference of upper and lower limit of class is called

class size

4.all congruent triangles are similar

5. a cuboid has 12 surface diagonals and 4 space diagonals