TEKS.MATH.8.3A

Find te measure of the midsegment XY:

• 7.5
• 3.75
• 2
• 3

Tags

TEKS.MATH.8.3A

Sides in similar figures must be proportional.  

• True
• False 

Tags

TEKS.MATH.8.3A

An office supply store sells index cards in two different sizes. The large size is a dilation of the small size. Both sizes are shown. Find the scale factor of the dilation.

• 0.5
• 5
• 3
• ⅓

Tags

TEKS.MATH.8.3A

The pair of figures is similar. Find the missing side.

• x = 1
• x = 3
• x = 9
• x = 5

Tags

TEKS.MATH.8.3A

Are the two figures similar?

• Yes

• No

Tags

TEKS.MATH.8.3A

The two figures are similar. Find the indicated side length.

• 15

• 24

• 16

• 18

Tags

TEKS.MATH.8.3A

Are the triangles similar? If so, what is the scale factor from ΔDEF to ΔABC?

• Yes. 1.5

• Yes. ⅔

• Yes. 2

• No.

Tags

TEKS.MATH.8.3A

If your SF = 0.8, what type of dilation is it?

• Reduction

• Enlargement

Tags

TEKS.MATH.8.3A

A dilation is given by the transformation (x, y) → (.75x, .75y). What type of dilation is this?

• enlargement

• it is not a dilation

• reduction

Tags

TEKS.MATH.8.3A

When can a dilation produces a similar figure?

• When the scale factor is greater than one

• When the scale factor is equal to one

• When the x value gets bigger and the y value gets smaller.

Tags

TEKS.MATH.8.3A