Triangles
Vocabulary
Missing Angles
Transformations & 3-D Slicing
Solve it!
100

The total amount of degrees 3 angles need to be in order to be considered a triangle is what.

What is 180 degrees?

100
This is the geometry word that means that two images are equal or have the same measurement OR that they are the SAME SIZE and the SAME SHAPE.
What is "congruent"?
100

Triangle GEF is similar to VTU. Angle G = 28 degrees. Angle E = 104 degrees. Angle F = 48 degrees. THIS is the measurement of Angle U.

What is 48 degrees?

100

Which transformations are considered to produce congruent figures?

What is translations, rotation, and reflection.

100

A drawing that shows a real object with accurate sizes reduced or enlarged by a certain amount (called the scale).  THIS is called.

What is called Scaled drawing.

200

A triangle has angles that measure 35 degrees, 23 degrees and x + 36 degrees. THIS is the value of x.

What is 86 degrees?

200
Angle J sits outside an extended line of Triangle FGH. Angle J is called THIS kind of angle.
What is an exterior angle?
200

Complementary angle QPS shows that angle QPR is equal to 7x - 9 and angle RPS is equal to 4x + 22. THIS is the value of x?

What is 7?

200

Figure 1 used a sequence of transformations to Figure 3.  What transformations were used to transform Figure 1 to Figure 3?

What is dilation and then reflection?

200

Each unit on the grid below represents 2 feet.  Using a scale of 3, what is the actual measurement of the length.

What is 42 feet.

300

Construct Triangle ABC with an EXTERIOR angle extended from Angle C.   What are the names of the two remote interior angles?

What are angles A and B?

300

Angle D and Angle E sit outside two parallel lines on opposite sides of a transversal. This is the term that describes the relationship between Angles D and E.

What are alternate exterior angles?

300

Given angle AOC is equal to 108 degrees. Angle AOB = 3x + 4 degrees. Angle BOC = 68 degrees. THIS is the measurement of Angle AOB.

What is 40 degrees?

300

Plane A crosses a square pyramid that is parallel to the base.THIS 2-D shape is formed due to the cross section.


What is a square.

300

Each unit on the grid represents 5 feet.  Using this scale, what is the area of the actual classroom.

What is 700 square feet?

400

A scalene right triangle has an angle that measures 28.2 degrees. THIS is the measure of the third angle.

What is 61.8 degrees?

400

This is the term for the ratio between corresponding measurements of an object and a representation of that object.

What is a "scale factor"?

400

Triangle JKL has angles measuring 104 degrees and 45 degrees. Triangle ROS has angles measuring 45 degrees and 31 degrees. Triangle GHI has angles measuring 63 degrees and 45 degrees. THESE are the two SIMILAR triangles.

What are Triangle JKL and Triangle ROS?

400

Triangle ABC used a sequence of transformations to get to triangle A'B'C'. Describe the transformations that were used with directions and units.

What is translated 1 unit to the right and 5 units down then reflected across the red dotted line.

400

What is the scale factor of the 2 images below, does it enlarge or reduce, and how do you know?

What is a scale factor of 1/2, reduces because it is less than 1.

500

Triangle ABC has an exterior angle that sits beside Angle A and measures 116 degrees. Angle C measures 60 degrees. THIS is the measurement of angle B.

What is 56 degrees?

500

This is a geometry term that describes two angles that sit in the same position, but on two different parallel lines.

What is "corresponding angles"?

500

Angle C and Angle D are remote interior angles of Triangle CDE. Angle F sits on the line extended past point E and measures 78 degrees. What is the sum of Angles C and D?

What is 78 degrees?

500

Imagine you are a ninja that can slice solid objects straight through. You have a solid cube in front of you. You are curious about what 2-dimensional shapes are formed when you slice the cube. For example, if you make a slice through the center of the cube that is parallel to one of the faces, the cross section is a square.  This cross section will cause a 2-D rectangle shape.

What is a diagonal cross section.

500

Figure A is a scale image of Figure B.  Figure A maps to figure B with a scale factor of 2 and 1/2. The value of x is.

What is 2?