Height of a Triangle

Author:juliacyng

Click "Start" to start or reset the activity. Drag the red line to find the height of the triangle. Try to drag C to give an obtuse-angled triangle. Where is the height of the triangle?

New Resources

bewijs stelling van Pythagoras
International Day of Mathematics 2025
Balls in an Urn
Untitled
以竹簽拼砌三角形

Discover Resources

Module 2 Lesson 5 Circle Discussion
The trapezium rule
การลบจำนวนเต็ม
Stem-and-leaf Diagram Construction Tool

Discover Topics

Similar Triangles
Symmetry
Translation
Logarithm
Real Numbers