Which of the following pairs of polygons are similar?

• Two rectangles with side lengths 4 cm by 6 cm and 8 cm by 12 cm

• Two pentagons with side lengths 4cm, 5cm to 8cm, 12cm

• Two triangles with side lengths 3 cm, 4 cm, 5 cm to 6 cm, 12 cm, 20 cm

• Two hexagons with side 2cm, 3cm to 6cm, 9cm

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• 6 cm

• 8 cm

• 9 cm

• 12 cm

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CCSS.HSG.SRT.A.2

What is the scale factor of two similar polygons if one has a side length of 15 cm and the corresponding side of the other is 10 cm?

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CCSS.7.G.A.1

Fill in the blank: Two triangles are similar if they have two corresponding angles that are _______.

• equal

• different

• complementary

• supplementary

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CCSS.HSG.SRT.A.2

Which of the following is a correct method to prove that two triangles are similar?

Hint there are 3

• AA (Angle-Angle)

• ASA (Angle-Side-Angle)

• AAS (Angle-Angle-Side)

• SSS(SIde-Side-Side)

• SAS (Side-Angle-SIde)

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CCSS.HSG.SRT.B.5

• 24 cm

• 26 cm

• 20 cm

• 22 cm

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CCSS.HSG.SRT.A.2

Fill in the blank: The Side-Side-Side (SSS) similarity criterion states that if the corresponding side lengths of two triangles are ________, then the triangles are similar.

• equal

• proportional

• complementary

• supplementary

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CCSS.HSG.SRT.B.5

Which of the following sets of side lengths can form two similar triangles?

• 3 cm, 4 cm, 5 cm and 6 cm, 8 cm, 10 cm

• 5 cm, 12 cm, 13 cm and 10 cm, 15 cm, 20 cm

• 7 cm, 24 cm, 25 cm and 14 cm, 48 cm, 50 cm

• 8 cm, 15 cm, 17 cm and 16 cm, 30 cm, 34 cm

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two triangles are similar by the SAS (Side-Angle-Side) criterion, which of the following must be true?

• Two sides are equal, and the included angle is equal.

• Two sides are proportional, and the included angle is equal.

• Two angles are equal, and the included side is proportional.

• Two sides are proportional, and the included angle is complementary.

Tags

CCSS.HSG.SRT.B.5

Determine if triangles are similar. If yes, state how (by AA, SSS, or SAS) and complete the similarity statement.

Similar by: ​ (a)  

ΔJKN ~ Δ​ (b)  

• SAS
• AA
• SSS
• Not Similar
• RVN
• VNR
• NVR
• VRN

Tags

CCSS.HSG.SRT.A.2