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Rhombus Surprise! (GoGeometry Action 57)
Author:
Tim Brzezinski
Topic:
Angles
,
Rhombus
Creation of this applet was inspired by a
post
from Antonio Gutierrez (
GoGeometry
).
What is the measure of the pink angle?
How can we formally prove what is informally illustrated here?
GeoGebra
Quick (Silent) Demo
New Resources
The Red Chair
Ringed Polyhedra
畫三角形
Forming Similar Triangles
Question 6c
Discover Resources
test
moving_seahorse
مثال محلول صــ15 المدرّس شادي سمعان
Median of a Triangle
สามเหลี่ยมพีทาโกรัส
Kinematics of a particle moving in a straight line with a constant acceleration.
Discover Topics
Natural Numbers
Step Functions
Ratios
Scalene Triangles
Geometric Distribution