guilherme bessa

Today we started correct the homework from page 301, #15-32 all and page 310, #15-38 all. After Ms. Saatkamp explain soome questions in the homework, and we started learning about two other type of quadrilateral, Rhombi  (rhombus), and square.

And  some other theorem 

Theorem 6-11:   If It´s a rhombus, them the diagonals are perpendicular

Theorem 6-12: if a parallelogram has perpendicular diagonals, them it's a rhombus

the square don't heve a expecific theorem, but it have a definition: 

Square definition

it's a quadrilateral with four sides and four right angles