CCSS.Math.Content.7.G.A.1

On a map, the distance between two towns in 2.6 cm. The scale of the map is 1 cm:50 km. What is the actual distance between the two towns?

• 100 km
• 130 km
• 70 km
• 150 km

Tags

CCSS.Math.Content.7.G.A.1

Are these triangles similar?

• Yes
• No

Tags

CCSS.Math.Content.7.G.A.1

Under the dilatation with scale factor of 1/4, the transformed image is enlarged.

• True
• False

Tags

CCSS.Math.Content.7.G.A.1

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

Tags

CCSS.Math.Content.7.G.A.1

If the scale factor is less than 1, the dilation is...

• an enlargement
• a translation
• a rotation
• a reduction

Tags

CCSS.Math.Content.7.G.A.1

Rectangle ABCD is dilated so that A' is located at (3, 6).  What could be the dilation rule?

• (2x, 3y)
• (2/3 x, 2/3 y)
• (3/2 x, 3/2 y)
• (x + 2, y + 3)

Tags

CCSS.Math.Content.7.G.A.1

Rectangle ABCD is dilated so that the coordinates of C' are (2, -1).  What could be the dilation rule?

• (-2x, +1y)
• (1/2 x, 1/2 y)
• (2x, 2y)
• (x - 2, y - 1)

Tags

CCSS.Math.Content.7.G.A.1

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)
• (12, 6)
• (3, -1.5)
• (0, 1.5)

Tags

CCSS.Math.Content.7.G.A.1

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.Math.Content.7.G.A.1

Triangle PQR is similar to triangle XYZ.  What is the PERIMETER of triangle XYZ?

• 21 cm
• 63 cm
• 105 cm
• 126 cm

Tags

CCSS.Math.Content.7.G.A.1