Dolphins
A ______ is a closed plane figure formed by three or more line segments that meet at points called vertices.
polygon
A heptagon has ___ sides, angles, and vertices.
7
An nonagon has __ sides, angles, and vertices.
9
A _____ is a special parallelogram with 4 congruent (equal) sides and 4 right angles.
square
A shape that has 8 congruent (equal) sides AND angles is an ____.
regular octagon
When line segments have the same length or when angles have the same measure, they are ______.
congruent
A right triangle has one ____, or right angle.
90 degrees
A general ______ has 4 sides and 4 angles.
quadrilateral
Name the solid figure that has hexagon as a base shape.
hexagonal prism
What type of triangle is a triangle with one right angle and two congruent (equal) sides?
right isosceles
In a _____ _______, all sides are congruent and all angles are congruent.
regular polygon
An acute triangle has 3 _____ angles.
acute
A _______ is a special parallelogram with 4 right angles and 4 pairs of perpendicular sides.
rectangle
A ______ has no bases and 1 curved surface.
sphere
What type of quadrilateral is a quadrilateral that has 4 congruent (equal) sides and 4 congruent (equal) angles. Mention all that apply.
Quadrilateral, parallelogram, rhombus, rectangle, square
An equilateral triangle has ___ congruent sides.
3
A _____ has 1 circular base and 1 curved surface.
cone
A ______ has opposite sides that are congruent and parallel.
parallelogram
A _______ has 2 congruent circular bases and 1 curved surface.
cylinder
A _____ is a polyhedron that has 2 congruent (equal) polygons as bases.
prism
An isosceles triangle has ___ congruent sides.
2
An scalene triangle has ___ congruent sides.
0
Mario drew a triangle with 2 congruent sides 1 obtuse angle. Which of the following accurately describes the triangle? Mark all that apply.
A. isosceles C. obtuse
B. acute D. equilateral
A and C
isosceles and obtuse
Name the solid figure that has a rectangle as a base and one common vertex.
rectangular pyramid
A solid figure has 3 dimensions: length, width, and height. ______, such as prism and pyramids, are 3-dimensional figures with faces that are polygons.