Consider that the length of rectangle A is 21 cm and its width is 7 cm. Which rectangle is similar to rectangle A? A) A rectangle with a length of 9 cm and a width of 3 cm. B) A rectangle with a length of 20 cm and a width of 10 cm. C) A rectangle with a length of 18 cm and a width of 9 cm. D) A rectangle with a length of 27 cm and a width of 3 cm.
Accepted Solution
A:
Answer: A) A rectangle with a length of 9 cm and a width of 3 cmStep-by-step explanation:The length to width ratio for the given rectangle is ... 21 cm : 7 cm = 3 : 1Any similar rectangle will have the same ratio of length to width.___For the offered choices, the ratios are ... 9:3 = 3:1 . . . . this is the answer 20:10 = 2:1 18:9 = 2:1 27:3 = 9:1