Definition--Triangle Concepts--Orthocenter of a Triangle Grade: 4 - 8 Copyright Year 2021 Format Image
INSTRUCTIONAL RESOURCE: TI-Nspire App Activity: Constructing an Isosceles Triangle Grade: 6 - 12 Copyright Year 2018 Format HTML5
INSTRUCTIONAL RESOURCE: Nspire App Tutorial: Constructing an Isosceles Triangle Grade: 6 - 12 Copyright Year 2013 Format HTML5
INSTRUCTIONAL RESOURCE: Nspire App Tutorial: The Perpendicular Bisectors of a Triangle Grade: 6 - 12 Copyright Year 2013 Format HTML5
