Transformations and Angles and Triangles

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Tags

CCSS.4.G.A.2

Find the measure of each angle indicated. 

• 139°

• 66°

• 138°

• 116°

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Tags

CCSS.7.G.B.5

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

In which case does the transformation of △𝑄𝑅𝑆 result in an image △𝐷𝐸𝐹 where ∠𝑄≅∠𝐷,∠𝑅≅∠𝐸,∠𝑆≅∠𝐹, and 𝑄𝑅𝐷𝐸=𝑄𝑆𝐷𝐹=𝑅𝑆𝐸𝐹≠1 ?

• A. a translation of 6 units to the left and 8.5 units up followed by a reflection over the line 𝑦=2𝑥

• B. a reflection over the line 𝑦=−2𝑥 followed by a translation of 6.5 units to the right and 3.5 units down

• C. a rotation of 45° clockwise about vertex 𝐴 followed by a dilation by a scale factor of 0.95 about the origin.

• D. a dilation by a scale factor of 1 about the origin followed by a rotation of 45° clockwise about vertex 𝐴

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

• A

• B

• C

• D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

ΔEFG (purple) is the mage of ΔABC (blue), how could ΔEFG been created?

• ΔABC was reflected over x-axis to create ΔEFG.

• ΔABC was reflected over y-axis to create ΔEFG.

• ΔABC was rotated 360°about the origin to create ΔEFG.

• ΔABC was rotated 180° about the origin to create ΔEFG.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Tags

CCSS.8.G.A.5

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

Tags

CCSS.8.G.A.5

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32

• 39

• 45

• 54

Tags

CCSS.8.G.A.5