The area of a square is 9 centimeters squared (cm^2) If the sides of the square are doubled in length, what is the new area, in centimeters

Question

The area of a square is 9 centimeters squared (cm^2) If the sides of the square are doubled in length, what is the new area, in centimeters squared, of the enlarged square?

A: 24 cm^2
B: 18 cm^2
C: 81 cm^2
D: 36 cm^2

in progress 0
Delwyn 2 months 2021-08-02T07:52:19+00:00 2 Answers 2 views 0

Answers ( )

    0
    2021-08-02T07:53:37+00:00

    I think the answer is B because 9 cm times 2 cm equal 18

    0
    2021-08-02T07:53:59+00:00

    Answer:

    The question says area of a square = 9 cm squared.

    And they said if the sides are doubled in length what is the new length

    so new length = 9 cm^2 × 9 cm^2

    which should give you 81cm^2

    therefore your answer should be = C

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )