Vocabulary
Shapes
Angle Measures
Problem Solving
Vocabulary Cont
100
A closed plane figure made up of line segments
polygon
100
a rectangle with all sides the same length
square
100
Use the drawing to solve: What is the measure of angle LHY?
90 degress
100
A draftsperson uses two angles in his plans for a new building. The angles measure 45 degrees and 35 degrees. If he places these angles so that they have one side in common, will the resulting angle be acute, right, or obtuse?
Acute
100
the point at which three or more edges meet in a solid figure
vertex (vertices)
200
a polygon with 4 sides
quadrilateral
200
a parallelogram with all sides the same length
rhombus
200
Use the picture to solve: What is the measure of angle EHY?
22 degrees
200
Meg designed a game board in the shape of an equilateral triangle. She plants to outline the triangle in yarn. If one side measures 12 cm, how much yarn is needed to outline the triangle?
36 cm of yarn
200
a segment that is the intersection of two faces of a figure
edge
300
a polygon with three sides
triangle
300
a quadrilateral with only one pair of parallel sides
trapezoid
300
Use the picture to solve: What is the measure of angle XCW?
100 degrees
300
If the total measure of the angles in a hexagon is 720 degrees, how many degrees is each of the angles of the hexagon?
120 degrees
300
a flat surface of a figure
face
400
in a plane, lines that never cross and stay the same distance apart
parallel lines
400
a quadrilateral with both pairs of opposite sides equal in length and parallel
parallelogram
400
Use the picture to solve: What is the measure of angle PCW?
180 degrees
400
If each side of a pentagon equals 4 feet, what is the perimeter?
20 feet
400
a triangle with no sides the same length
scalene triangle
500
two lines that intersect to form square corners or right angles
perpendicular lines
500
Is this shape a polygon? Why or why not?
Not a polygon because it is not made of line segments
500
How many degrees make up a triangle?
180 degrees
500
The Louvre Pyramid serves as an entrance to the Louvre Museum in Paris. The base of the pyramid is 35 m long and the sides are 32 m long. Classify the triangle on the front of the Louvre Pyramid by the lengths of its sides and the measures of its angles.
Isosceles, acute triangles
500
a triangle with two sides that are the same length
isosceles triangle