Question

Two similar rectangles have areas of 160 cm2and 90 cm2

The reduced ratio of the larger area to the smaller area is _. (Format your answer like "1:3" for example)

The reduced similarity ratio of the two rectangles is _. (Format your answer like "1:3" for example)

If the smaller rectangle has a perimeter of 42 cm, the perimeter of the larger rectangle is _ cm.

Two similar rectangles have areas of 160 cm2and 90 cm2

The reduced ratio of the larger area to the smaller area is___Format your answer like "1:3" for example)

The reduced similarity ratio of the two rectangles is___(Format your answer like "1:3" for example)

If the smaller rectangle has a perimeter of 42 cm, the perimeter of the larger rectangle is ___

Worth 20 please someone help a girl out :)

Answer 1

Step-by-step explanation:

area of 1st ractangle= 160cm²

area of 2nd rectangle= 90 cm²

(1) ratio of area (larger vs smaller) = 160 : 90

= 16 : 9

(2) ratio of similarity

perimeter of 1st : perimeter of 2nd= √16 : √9

= 4 : 3

(3) perimeter of larger ractangle.

= 42×4/3= 56 cm