2022 AMC 8 Problem 1

Attempt Problem 1 of the 2022 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2022 AMC 8 solutions, or check the answer key.

All problems are used with official legal permission of the Mathematical Association of America (MAA).

1.

The Math Team designed a logo shaped like a multiplication symbol, shown below on a grid of 1-inch squares. What is the area of the logo in square inches?

1010

1212

1313

1414

1515

Answer: A
Concepts:area decomposition
Difficulty rating: 770
Solution:

The logo is made from 55 congruent tilted squares. Each tilted square has both diagonals of length 22, so its area is 222=2\frac{2\cdot2}{2}=2 square inches.

The total area is 52=105\cdot2=10.

Thus, the correct answer is A.

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