10.1
Angles that are complementary add up to this number
What is 90 degrees
The sum of the angles in a triangle equals this number.
What is 180 degrees?
Classify these triangles by their lengths;
6 cm, 15 cm, 18 cm
17 in,17 in,17 in
112 in, 80 in, 112 in
What are scalene, equilateral and isosceles?
A 16-inch tall groundhog makes a shadow that is 5 inches tall. If the tree that he is standing beside make a 35-inch shadow, how tall is the tree?
What is "112 inches"
If a polygon's x values are flipped (negative if they're positive and positive if they're negative), this kind of transformation has occurred.
What is a reflection about the y-axis?
Angle that are supplementary add up to this number
What is 180
An equilateral triangle has what kind of sides?
What is 3 identical or congruent sides
A polygon is only a polygon when it is composed of these?
Closed line segments (no curvy sides!)
4/5=x/7
Solve for X in this proportion
What is 5 and 3/5ths?
If a shape has been moved from the first quadrant to the fourth quadrant and is still right side up (the picture hasn't gone upside down or anything), this type of transformation has occurred.
What is 'translation'?
36 degrees plus 46 degrees equals what kind of angle?
An Acute Angle
Congruent means this when referring to geometry
What is identical or the same
What is the sum of the angles within a pentagon?
What are 540 degrees?
x/9=6/10
What is x=5.4?
The angle of rotation within a shape can be calculated if you know how many of these the shape has.
What is 'the number of polygon's sides'?
Angles R and Y are supplementary. If angle R = 12 degrees, what is angle Y?
What is 168 degrees
This type of triangle has 2 congruent sides
What is an isosceles triangle?
A polygon is classified as regular when it;
In order to determine if two polygons are similar, you must compare which pieces of the shapes in a ratio format?
What is 'identical sides' of the shape?
This coordinate notation is seen when an object is reflected over the x-axis
(x,y) ------> (x,-y)
Angles A and B are complementary. If Angle A = 47 degrees, what is Angle B?
What is 43 degrees?
Identify these triangles by their angle measures;
45,35,100
37,53,90
12,114,54
What are obtuse, right, and obtuse triangles?
A scale factor proves what about two polygons?
What is 'that they are similar and NOT congruent'
2/x=4/8
Solve for x in this proportion.
What is x=4?
This coordinate notation is observed when a shape is moved up on the graph 3 spaces, and moved left 7 spaces.
What is "(x,y) ------> (x-7),(y+3)"