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Laabri

Open Up - Grade 7 - Mathematics - Unit 1 - Lesson 9

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Last updated 4 months ago
6 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.

What scale is being used for the image?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.

How tall is the actual book?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

The flag of Colombia is a rectangle that is 6 ft long with three horizontal strips.

  • The top stripe is 2 ft tall and is yellow.

  • The middle stripe is 1 ft tall and is blue.

  • The bottom stripe is also 1 ft tall and is red.

Pick the answer where the Colombian flag would be a scale of 1 cm to 2 ft.

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

The flag of Colombia is a rectangle that is 6 ft long with three horizontal strips.

  • The top stripe is 2 ft tall and is yellow.

  • The middle stripe is 1 ft tall and is blue.

  • The bottom stripe is also 1 ft tall and is red.

Pick the answer where the Colombian flag would be a scale of 2 cm to 1 ft.

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

These triangles are scaled copies of each other.

For each pair of triangles listed, the area of the second triangle is how many times larger than the area of the first?

Draggable itemarrow_right_altCorresponding Item

16

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Triangle G and Triangle F

4

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Triangle G and Triangle B

\frac{9}{16}

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Triangle B and Triangle F

\frac{1}{4}

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Triangle F and Triangle H

\frac{1}{9}

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Triangle G and Triangle H

\frac{4}{9}

arrow_right_alt

Triangle H and Triangle B

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Here is an unlabeled rectangle, followed by other quadrilaterals that are labeled.

Select all quadrilaterals that are scaled copies of the unlabeled rectangle.