ALL ANSWERS · GEOGRAPHY · DAILY No. 20 · SEPTEMBER 23, 2026
Size It Up Geography answer: September 23
The five Geography silhouettes for September 23, with the true sizes. If you have not played yet, this page is a spoiler — play these five first, then come back to argue with the numbers.
Day 20 ran from the British Indian Ocean Territory (23.74 km) to Mongolia (2,386 km). The widest gap was round 2, Côte d'Ivoire against Lake Onega, at 3.1×; the closest call was round 4, Lake Victoria against Kansas, only 1.7× apart — the kind of round that separates a 90 from a 60.
SPOILER · TODAY’S FIVE
You have not finished today’s puzzle on this device. The answers below are blurred so you can still play first.
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ROUND 1
Lake Chad vs British Indian Ocean Territory
British Indian Ocean Territory · reference · 23.74 km Lake Chad · true width · 52.42 km 2.2× wider than the British Indian Ocean Territory
Lake Chad extends about 52 km east to west across this outline.
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ROUND 2
Côte d'Ivoire vs Lake Onega
Lake Onega · reference · 228.1 km Côte d'Ivoire · true height · 708.3 km 3.1× taller than Lake Onega
Côte d'Ivoire extends about 708 km north to south across this outline.
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ROUND 3
Slovenia vs Minnesota (US state)
Minnesota · reference · 654.7 km Slovenia · true width · 240.5 km 2.7× shorter than Minnesota
Slovenia extends about 240 km east to west across this outline.
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ROUND 4
Lake Victoria vs Kansas (US state)
Kansas · reference · 659.1 km Lake Victoria · true height · 384.4 km 1.7× shorter than Kansas
Lake Victoria extends about 384 km north to south across this outline.
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ROUND 5
Idaho (US state) vs Mongolia
Mongolia · reference · 2,386 km Idaho · true height · 781.9 km 3.1× shorter than Mongolia
Idaho extends about 782 km north to south across this outline.
Beat these tomorrow
Every round is worth up to 100 points: within 6% of the true size scores 100, half or double scores 45, five times off scores zero. The daily puzzle is the same five for everyone and refreshes at midnight in your time zone; if you want more than five, Size It Up Unlimited draws fresh pairs from the whole library for as long as you like.