Question

Fill ups
1-Total surface area of a cuboid is.....................
2-(4a - 6b )2 =16a2............ +36 b2
3- the measure of complete circle is...................

Answer 1

1 . 2(lb+bh+hl)
2. -24ab
3.complete angle of circle is 360 degree ..

Answer 2

1. 2(lb + bh + lh)
2. -24ab
3. What do yon mean by measure of complete circle? Please correct it