similar figures and proportion

What does it mean by similar figures?

• They have same shape, but different size

• They have different shape, but same size

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Find missing side

• 5
• 7
• 9
• 11

Tags

CCSS.HSG.SRT.A.2

Which proportion is true?

• $\frac{6}{2.5}=\frac{x}{21}$

• $\frac{6}{2.5}=\frac{21}{x}$

• $\frac{6}{21}=\frac{x}{2.5}$

• $\frac{6}{x}=\frac{2.5}{21}$

Tags

TEKS.MATH.3.3G

Find side length X.

• 16
• 18
• 2.4
• 15

Tags

CCSS.HSG.SRT.A.2

Lance the alien is 5 feet tall.  His shadow is 8 feet long.  At the same time of day, a tree's shadow is 32 feet long.  What is the height of the tree?

• 20 feet
• 24 feet
• 29 feet
• 51 feet

Tags

CCSS.HSG.SRT.B.5

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.2A

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

Tags

TEKS.MATH.G.7B

TEKS.MATH.G.8A

Review the picture. Find the missing side measurement in the picture using a proportion.

• x = 900 m

• x = 52 m

• x = 25 m

• x = 0.04 m

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

Tags

CCSS.HSG.SRT.B.5