The area of a regular pentagon looks about twice as a big as the pentangle star drawn within it. Is it?
Explore the geometry of these dart and kite shapes!
Prove that the internal angle bisectors of a triangle will never be perpendicular to each other.
Triangle ABC has a right angle at C. ACRS and CBPQ are squares. ST and PU are perpendicular to AB produced.
Show that ST + PU = AB