Question

susan enlarge a rectangle with a height of 2 cm and length of 9cm on her computer. the length of the new rectangle is 13.5 cm. find the height of the new rectangles. the height of the new rectangle is cm

Answer 1

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Since the ratio of height to length is a proportion, we have .

• height/length = (2 cm)/(9 cm) = (new height)/(13.5 cm)

Multiplying by 13.5 cm, we find the new height is ...

• new height = (13.5 cm)(2/9) = 3 cm

➡️The height of the new rectangle is 3 cm.✔

Answer 2

3 cm

Explanation:

Since the ratio of height to length is a proportion, we have ...

height/length = (2 cm)/(9 cm) = (new height)/(13.5 cm)

Multiplying by 13.5 cm, we find the new height is ...

new height = (13.5 cm)(2/9) = 3 cm

The height of the new rectangle is 3 cm.