P6 Geometry

Triangles in Square

Chang Cheng Liang on Instagram instagram.com

Many triangles

Chang Cheng Liang on Instagram instagram.com

Chang Cheng Liang on Instagram instagram.com

3x3 grid —- sum of angles a to i 

https://www.instagram.com/p/DD0-XExxb6c/?igsh=dXlpejM4NnphaDg3

5 triangles at the tips of 5-point star

https://www.instagram.com/p/DDR-4BcTn2O/?img_index=1&igsh=c3Fybm8zZnIwZTE5

________

Find angle even with no numbers given!

involving circle & square

https://www.instagram.com/p/DFNjpBJTmpt/?igsh=NzN3aG01d3B6amVn

Triangles within square

https://www.instagram.com/p/DFNi671zFAu/?igsh=dGpxMmdkYnYyYWNu