![Lesson 17: The Side-Angle-Side (SAS) and Side-Side](http://s1.studyres.com/store/data/012854390_1-b59c20ad87b1a701be93644a904efeae-300x300.png)
2d shape - Primary Mathematics
... looks like Point out some right angles in the classroom. For those we can reach, how could we check? Which of these shapes has a right angle? ...
... looks like Point out some right angles in the classroom. For those we can reach, how could we check? Which of these shapes has a right angle? ...