Chapter 12 Missing Letters

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
I N T R
The United States federal department charged with conservation and the development of natural
2.
A G
The space between two lines or planes that intersect
3.
L I N R
A solid bounded by a ___ surface and two parallel planes
4.
E T I V E
A way of regarding situations or topics etc
5.
O T Y
6.
T U
The base part of a tree that remains standing after the tree has been felled
7.
Y M I
A polyhedron having a polygonal base and triangular sides with a common vertex
8.
R E T N U
9.
P R
A polyhedron with two congruent and parallel faces and whose lateral faces are parallelograms
10.
T E L I N
11.
O I S
State of matter with a fixed shape (plural)
12.
V L M
How loud something is, or how much space it fills
13.
R C E
The outermost level of the land or sea
14.
A E
A particular geographical region of indefinite boundary
15.
S A R
A plane rectangle with four equal sides and four right angles
16.
C R L
Ellipse in which the two axes are of equal length
17.
A D S
The length of a line segment between the center and circumference of a circle or sphere
18.
D I A R
A straight line connecting the center of a circle with two points on its perimeter
19.
C N G E
A parallelogram with four right angles
20.
M A T M A
A science dealing with the logic of quantity and shape and arrangement
21.
S T E S
22.
C A P
Someone who has won first place in a competition (plural)