Jenny and Alan each have a rectangle made out of paper. One side is 10cm
The other side is n cm.
10
Alan cuts his rectangle, then puts the two halves side by side.
10
Alan's new rectangle
What is the perimeter of Alan's new rectangle?
Write your expression as simply as possible.

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

The only way to identify an intercept is as an ordered pair. true false

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.