# A Semi-Circle and a Quarter Circle _Posted on 29th March, 2026_ +-- {.image} [[ASemiCircleandaQuarterCircle.png:pic]] > The two blue angles are equal. What’s the size of the orange angle? =-- * Thread [on BlueSky](https://bsky.app/profile/catrionaagg.bsky.social/post/3mi772wdces2h) * [[a semi-circle and a quarter circle techniques]] * [[a semi-circle and a quarter circle solution]]