Shapes
A plane shape with three sides.
a triangle
Formula for the area of a quadrilateral.
length x the width
the math word for the space around the outside of a shape.
perimeter
2 x 25
50
18 / 3
6
The name of a quadrilateral
square, rectangle, rhombus, diamond
The area of a rectangle if the length was 2 cm. and the width was 8 cm.
16 sq. cm.
how you figure out the perimeter of a shape
You measure all the sides and add the measurements.
6 x 5
30
16 / 4
4
a plane figure that has straight sides that are closed
Examples: triangle, quadrilaterals, octagon
polygon
the area of a square that has one side measuring 7 miles.
49 sq. miles or 49 sq. mi.
the perimeter of a shape with these measurements: 3 ft., 14 ft., 5 ft., 30 ft., 3 ft.
55 feet
18 x 8
144
462 + 197
659
A polyhedron that has the same shape and size (congruent) bases.
prism
This is the math word for the space inside a shape.
area
the perimeter of a square that had all sides measuring 210 yards.
840 yards
50 * 30
1500
960-123
837
A plane figure with 5 sides.
the area of a rectangle with the length of 20 ft. and the width of 80 ft.
1600 sq. ft.
the perimeter of a square that has one side measuring 85 miles.
340 miles
21 x 32
672
420 / 7
60