AMC8 2022
AMC8 2022 · Q1
AMC8 2022 · Q1. It mainly tests Area & perimeter.
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?
数学队设计了一个乘号形状的标志，如下图所示，位于1英寸方格网格上。标志的面积是多少平方英寸？
(A)
10
10
(B)
12
12
(C)
13
13
(D)
14
14
(E)
15
15
Answer
Correct choice: (A)
正确答案：（A）
Solution
We can see that there are 4 whole squares, since the area of each square will be 1, 4 * 1 = 4. Next, there are 12 half squares, and 2 half squares are 1 whole square, so 12/2 = 6 whole squares. The area of this will be 6 * 1 = 6. Finally, we can add the 2 numbers. 4 + 6 = $\boxed{\textbf{(A)} ~10}$.
我们可以看到有4个完整的方块，每个方块面积为1，4 × 1 = 4。接下来，有12个半方块，2个半方块等于1个完整方块，所以12/2 = 6个完整方块。这个部分的面积为6 × 1 = 6。最后，将两个数字相加。4 + 6 = $\boxed{\textbf{(A)} ~10}$。
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