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dimaraw [331]
3 years ago
11

A rectangle is removed from the right hand corner of a square board. What is the area of the remaining board in square feet?

Mathematics
2 answers:
alukav5142 [94]3 years ago
7 0

Answer:

<h2>104 ft²</h2>

Step-by-step explanation:

<h3>METHOD 1:</h3>

<em>(picture #1)</em>

A_1=(12)(8)=96\ ft^2\\\\A_2=(2)(4)=8\ ft^2\\\\A=A_1+A_2\Rightarrow A=96+8=104\ ft^2

<h3>METHOD 2:</h3>

<em>(picture #2)</em>

A_1=(12)(12)=144\ ft^2\\\\A_2=(10)(4)=40\ ft^2\\\\A=A_1-A_2\Rightarrow A=144-40=104\ ft^2

irinina [24]3 years ago
5 0

Answer:

104 ft²

Step-by-step explanation:

12² - 4 x (12-2) = 144 - 40 = 104

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