Count as high as possible before a moderator posts 2.0

[Booklover]

536

[lass of something much]

537

[Booklover]

538

[lass of something much]

539

[Booklover]

540. The total number of degrees in the interior angles of a pentagon.

[lass of something much]

541. how do you remember all this!?

[Booklover]

542. It's easy enough to work out. 180-(360/n), where n is the number of sides, for the interior angles of a regular shape, 360/n for exterior for a regular shape, 360 is always the total of exterior angles. Total of interior angles is 180n-360.

[lass of something much]

543

[Booklover]

544

[lass of something much]

545

[Booklover]

546

[lass of something much]

547

[Booklover]

548

[lass of something much]

549

[Booklover]

555