Notes
a semi-circle and a quarter circle
A Semi-Circle and a Quarter Circle
Posted on 29th March, 2026
The two blue angles are equal. What’s the size of the orange angle?
Thread
on BlueSky
a semi-circle and a quarter circle techniques
a semi-circle and a quarter circle solution
Revised on March 29, 2026 21:44:13 by
Andrew Stacey
?