What is the sum of the measures of the interior angles of a 12-gon ? A: 1620

B: 1800

C: 1980

D: 2160

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Which point is a solution to y s 4x + 5?