True or False.
Adjacent angles can be complementary.
TRUE
What is the sum of the interior angles in ALL triangles?
180 degrees
Here is the base of a prism.
If the height of the prism is 5 cm, what is its surface area?
SA = 222 square centimeters
Angles A and C are supplementary. Find the measure of angle C.
106 degrees
Do the following side lengths form a triangle?
34, 45, 78
YES
Here is the base of a prism.
If the height of the prism is 5 cm, What is its volume?
V = 180 cubic centimeters
Two lines intersect. Find the value of b and c.
c = 138 degrees
b = 42 degrees
Do the following side lengths form a triangle?
99. 55, 43
NO
A square pyramid is sliced parallel to the base and halfway up the pyramid.
Which of these describes the cross section?
A smaller square
True or False.
Vertical angles can be supplementary.
True. Both angles can equal 90 degrees.
Are these two triangles identical? Explain how you know.
No. The side length, 12 must be between the two given angle measures.
What is the volume of the prism, in cubic centimeters?
120 cubic centimeters
What are the values of x and y?
x = 35 degrees
y = 72.5 degrees
Do the following angle measures form a triangle?
124 degrees, 48 degrees, and 7 degrees
NO. 124 + 48 + 7 = 179
What is the surface area of the prism, in square centimeters?
184 square centimeters