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60
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How many rectangles are in this figure? Each angle is a right angle.

 

 Jun 29, 2021

Best Answer 

 #1
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+1

We can use casework to solve this question.

 

1*1 rectangles: 12

1*2 rectangles: 9

1*3 rectangles: 6

1*4 rectangles: 3

2*1 rectangles: 8

2*2 rectangles: 6

2*3 rectangles: 4

2*4 rectangles: 2

3*1 rectangles: 4

3*2 rectangles: 3

3*3 rectangles: 2

3*4 rectangles: 1

 

So, the answer to this question is 12+9+6+3+8+6+4+2+4+3+2+1=60.

 Jun 29, 2021
 #1
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+1
Best Answer

We can use casework to solve this question.

 

1*1 rectangles: 12

1*2 rectangles: 9

1*3 rectangles: 6

1*4 rectangles: 3

2*1 rectangles: 8

2*2 rectangles: 6

2*3 rectangles: 4

2*4 rectangles: 2

3*1 rectangles: 4

3*2 rectangles: 3

3*3 rectangles: 2

3*4 rectangles: 1

 

So, the answer to this question is 12+9+6+3+8+6+4+2+4+3+2+1=60.

Guest Jun 29, 2021
 #2
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0

think thats correct 

Guest Jun 29, 2021
edited by Guest  Jun 29, 2021

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