12 · Right Triangles [RT3] — printable QR sheet
4 stations, one per page. Print (portrait), post one at each station.
Talk-it-through problems take any real attempt for credit; timed problems gate hint 2 at 30 s
and Reveal at 60 s past that.
Printer tip: Ctrl/Cmd-P → portrait → “Background graphics” on if you want the flavor colors.
Station 1 of 4
12.1 — Trig Definitions — SOH-CAH-TOA
Mild Medium Hot Spicy
Station code
4224cf6a
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/4224cf6a/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 2 of 4
12.2 — Inverse Trig Functions (Missing Angles)
Mild Medium Hot Spicy
Station code
ced93848
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/ced93848/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 3 of 4
12.3 — Applications (Angles of Elevation & Depression)
Mild Medium Hot Spicy
Station code
bcdbb7ad
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/bcdbb7ad/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 4 of 4
— Review (T12)
Mild Medium Hot Spicy
Station code
7290774a
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/7290774a/
Scan → work it on the whiteboard → type the answer → show the summary screen.