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Algebra, NAP-A4-NC11

`ABCD` is a square.
 


 

What is the value of `x`?

1 2 3 4
 
 
 
 
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`3`

Show Worked Solution

`text(S) text(ince)\ ABCD\ text(is a square),`

`4x – 7` `= x + 2`
`3x` `= 9`
`:. x` `= 3`

Filed Under: Basic Algebra, Basic Algebra, Perimeter, Area and Volume, Perimeter, Area and Volume Tagged With: Band 7, smc-3179-60-Algebra and geometry, smc-3183-20-Area, smc-3183-85-PAV and algebra, smc-669-20-Area, smc-669-85-PAV and algebra, smc-683-60-Algebra and geometry

Algebra, NAP-F4-NC12

The rhombus below has a side length `d`.
 

 
Which expression cannot be used for the perimeter?

`2 xx (d + d)` `d xx 4` `d xx d` `d + d + 2 xx d`
 
 
 
 
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`d xx d`

Show Worked Solution

`d xx d`

Filed Under: Basic Algebra, Basic Algebra, Perimeter, Area and Volume, Perimeter, Area and Volume Tagged With: Band 7, smc-3179-60-Algebra and geometry, smc-3183-10-Perimeter, smc-3183-85-PAV and algebra, smc-669-10-Perimeter, smc-669-85-PAV and algebra, smc-683-60-Algebra and geometry

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