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Bogdan [553]
3 years ago
8

A square with an area of A2 is enlarged to a square with an area of 25A2. How was the side of the smaller square changed?

Mathematics
2 answers:
Mamont248 [21]3 years ago
5 0

Answer:

second option : the side length was multiplied by 5.

Step-by-step explanation:

a = side length of the original square

A² = a×a

(a+5)×(a+5) = a² + 10a + 25

and that should be equal to a²×25

a² + 10a + 25 = 25a² ?

10a + 25 = 24a²

no, that is not true for all a

a×5 × a×5 = a²×25 = 25A²

this is the correct solution, as it is true for all a.

scoundrel [369]3 years ago
5 0

Answer:

b

Step-by-step explanation:

just took test

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