Download Across 1 Each angle in this type of triangle measures less than 90

1
2
3
4
5
6
8
7
9
10
11
12
13
14
15
16
Across
1 Each angle in this type
of triangle measures less
than 90 degrees (5)
3 A type of triangle that
contains one right angle
(5)
6 A polygon is ___ if no
diagonal contains points
outside the polygon. (6)
9 A triangle in which all
sides are congruent (11)
11 A closed plane figure
with at least three sides
that are segments, which
only intersect at their
endpoints and have no
two adjacent sides that
are collinear (7)
12 A type of triangle that
has one angle that
measures greater than 90
degrees (6)
15 A line that intersects two
coplanar lines in two
points (11)
16 A type of triangle that
has at least two
congruent sides (9)
Down
1 Nonadjacent interior
angles that lie on
opposite sides of the
transversal are called
___ interior angles. (9)
2 A triangle in which all
angles are congruent
(11)
4 A(n) ___ proof is a
convincing argument
that uses deductive
reasoning and in which
the statements and
reasons are arranged in
columns. (3,6)
5 The two nonadjacent
interior angles
corresponding to each
exterior angle of a
triangle are the ___
interior angles. (6)
7 A type of triangle that
has no sides congruent
(7)
8 A(n) ___ proof is a
convincing argument
that uses deductive
reasoning and uses
arrows to show the
logical connections
between statements. (4)
10 A polygon that is both
equilateral and
equiangular is a ___
polygon. (7)
13 A(n) ___ angle of a
polygon is formed by a
side and an extension of
an adjacent side. (8)
14 A polygon is ___ if a
diagonal contains points
outside the polygon. (7)