07 · Circle Related Areas [AV3] — 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

7.1 — Circumference & Area of a Circle

Mild Medium Hot Spicy
QR for station 1
Station code 86ad9355 students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/86ad9355/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 2 of 4

7.2 — Sector, Segment & Annulus Areas

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QR for station 2
Station code 2fe930b6 students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/2fe930b6/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 3 of 4

7.3 — Surface Area of Cones & Cylinders

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QR for station 3
Station code db0de047 students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/db0de047/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 4 of 4

— Review (T7)

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QR for station 4
Station code 7af07ba2 students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/7af07ba2/
Scan → work it on the whiteboard → type the answer → show the summary screen.