TrianglesMenuWhat Is a Triangle?What Is a Triangle?A triangle is a polygon, made up of three edges and three vertices. Learn more about triangles in this video, which explains how to label their different parts.0%Video Player is loading.Play VideoPlaySkip backward 10 secondsSkip forward 10 secondsMuteCurrent Time 0:00/Duration 0:00Stream Type LIVESeek to live, currently behind liveLIVERemaining Time -0:00 1xPlayback Rate1.5x1.25x1x, selected0.75xDescriptionsdescriptions off, selectedCaptionscaptions and subtitles off, selectedAudio TrackPicture-in-PictureFullscreenThis is a modal window.DoneContinue1Angle Sum of TriangleActivity Set 12Acute, Obtuse and RightActivity Set 13Equilateral, Isosceles and ScaleneActivity Set 14PerimeterActivity Set 15Formula for AreaCalculate the AreaActivity Set 16Boss Battle
What Is a Triangle?A triangle is a polygon, made up of three edges and three vertices. Learn more about triangles in this video, which explains how to label their different parts.0%Video Player is loading.Play VideoPlaySkip backward 10 secondsSkip forward 10 secondsMuteCurrent Time 0:00/Duration 0:00Stream Type LIVESeek to live, currently behind liveLIVERemaining Time -0:00 1xPlayback Rate1.5x1.25x1x, selected0.75xDescriptionsdescriptions off, selectedCaptionscaptions and subtitles off, selectedAudio TrackPicture-in-PictureFullscreenThis is a modal window.DoneContinue