Cross Sections
Triangle Inequality Theorem
Triangle Sum
Supplementary, Complementary, & vertical angles
More Angles!
100
The base of a cone is a ______. Therefore, the parallel or horizontal cross section is also a ______.
circle
100
In order to be a triangle the sum of the 2 shorter sides must be _____________ than the third side
Greater
100
Find the missing angle
70 degrees
100
Find the measure of <b & <c
<b= 116 degrees
<c= 64 degrees
100
Vertical angles are always...
Equal or congruent
200
The sides of all PRISMS are _____. So, the perpendicular or vertical cross-section of this triangular prism is a _______.
rectangle
200
TRUE or FALSE: Will the following side lengths be a triangle?
1, 2, 5
FALSE
200
85 degrees
200
a: 40 degrees
b: 66 degrees
200
Name a pair of vertical angles
<1 & <6
<2 & <5
<7 & <4
<3 & <8
300
Draw the correct shape of the cross-section pictured
Rectangle
300
TRUE or FALSE: Will the following side lengths be a triangle?
28, 14, 15
TRUE
300
Two interior angle measures of a triangle are 74 degrees and 53 degrees. What is the measure of the third interior angle?
53 degrees
300
If a=65 degrees, what does b=?
b=25
300
Name the sides/rays of <TQR. MUST use the correct symbol(s).
-->QR
-->QT
400
Select the type of cross-section formed when a hexagonal prism is cut perpendicular to its base.
a) Hexagon
b) Square
c) Rectangle
d) Circle
rectangle (sides are rectangles)
400
TRUE or FALSE: Will the following side lengths be a triangle?
12.5, 20.25, 7.75
FALSE
400
60 degrees
400
Solve for x:
x=16
400
Find the missing angle
x=35 degrees
500
A solid is cut PERPENDICULAR to its base, forming a cross-section in the shape of a TRIANGLE.
Which of the following solids could have resulted in that cross-section?
a) Rectangular Pyramid
b) Triangular Prism
c) Right Pentagonal Prism
d) Cube
Rectangular Pyramid
500
Which set of side lengths CAN be a triangle?
11, 10, 18
500
Solve for x.
x= 14 degrees
500
Solve for x:
x = 51
500
Find x:
x=45