Answer:
Yes
Step-by-step explanation:
Answer:
options are 3 and 4
Step-by-step explanation:
The difference of squares is defined as In option 1,
It can be written as
It is the sum of squares, therefore the option 1 is incorrect.
In option 2,
The number 40 is not a complete square of any number, therefore option 2 is incorrect.
In option 3,
It can be rewritten as
It is the difference of squares, therefore option 3 is correct.
In option 4,
It can be rewritten as
It is the difference of squares, therefore option 4 is correct.
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Answer:
150 cm²
Step-by-step explanation:
front+back: 2*9*3 = 54 cm²
left+right: 2*3*4 = 24 cm²
top+bottom: 2*9*4 = 72 cm²
sum: 150 cm²
Answer:
A. congruent; proportional; similar
Step-by-step explanation:
As soon as you see the scale factor is not 1, you know the figures are similar and dimensions are proportional. None of the transformations we study (translation, rotation, dilation, reflection) changes any angles. They remain congruent.