Daily puzzle · 2026-11-07 · Area Techniques

Mathbound Daily Puzzle — 2026-11-07 — Area Techniques Solution

Level 1

A square has side length 3939. What is its perimeter?
  1. A.156
  2. B.157
  3. C.1521
  4. D.155
  5. E.78

Answer: A

Key idea: Perimeter 4s4s.

Set it up: 4⋅394\cdot39.

Solution: 156156.

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Mathbound Daily Puzzle — 2026-11-07 — Area Techniques Solution