By : Noah Sichanthavong
Perimeter The border or outer boundary of a two dimensional shape. Square- 4s Rectangle- 2l+2w
Word Problem If I want to have fencing around my backyard and my backyard has a length of 40 feet and a length of 30 feet what is the area of my backyard? 1200 sqft2 Lx2+Wx2
Word Problem A square fence has a length of 8 feet. What is the perimeter of the fence?
Circumference The outer boundary of a circle or circle-like figure. Circle- 2 π r
Word Problem There’s a circle with a radius of 1.6 feet. What is it’s circumference? ft 2πr2πr
Area The area is the surface of an object measured in square units. Square- s 2 Rectangle- LW Triangle- 1/2BH Trapezoid- ½(b1+b2)h Circle- π r 2
Word Problem A triangle has a base of 12 in and a height of 6 what is its area? 1/2BH 36 in2
Word problem John has a picture of his football team. It is measured 6x8 inches. What is the area of the picture? Inches LxW
Surface Area The extent of a 2 D surface enclosed in a boundary. Cube- 6s 2 Prism- PH Pyramid- 1 / 2 PL Cylinder- 2 π rh
Word Problem One day Gage was being a retard and wanted to know the surface area of his Rubix Cube. If one side has an area of 4 inches, what is the total surface area of the cube? 96 Sq in 2 6s 2
Volume The amount of space measured in cubic units. Prism- Bh Cylinder- Bh Pyramid- 1 / 3 Bh Cone- 1 / 3 Bh Sphere- 4 / 3 πr 3
Word problem A makeshift pyramid Joe made has a base of 5 inches and a height of 6 inches. What is the pyramid’s volume? 9.9 fl.oz
Word Problem John bought a cup to measure fluids with but he doesn’t know the volume of the cup. If the height is 6 inches and the width 4 inches. What is the volume of the cup? 6 inches 4 Inches 24 fl.oz. BxH
Pi The letter N used as the symbol for the ratio of a circumference of a circle of its diameter. π-3.14
Word Problem Josh wanted to know the area of the circle he had just cut out. The circle measures 2in. in radius. What is y, the circle’s area? 2 x 2 x 3.14 = y in 2 πr2πr2
Pythagorean Theorem The theorem that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides. A 2 +B 2 =C 2
Simple Interest Formula Interest payable only on the principal. I=prt
Word Problem If Ryan puts 200 dollars in the bank for 3 years and his rate is 8%. What is his interest? 48 dollars I = prt
Linear Equations Any equation such that the sum of two solutions is a solution, and a constant multiple of a solution is a solution. 2x + 4y = 2(x + 2y)
Function A set of ordered pairs in which none of the first elements of the pairs appears twice. (2.5, 3) (2.3, 3)
Word Problem Domain: {10, 5, 0, -5, -10} Range: {1, 2, 3, 4, 5} Is this a function? Yes
Square A Rectangle having all 4 sides the same length 4 4
Rectangle A parallelogram having four right angles
Triangle A closed plane having three sides and three angles
Trapezoid A quadrilateral plane figure having two parallel and two nonparallel sides
Circle A closed plane curve consisting of all points at a given distance from a point within it called the center
Cube Solid bounded by six equal squares, the angle between any two adjacent faces being a right angle
Prism A solid having bases or ends that are parallel congruent polygons and sides that are parallelograms
Pyramid A solid having a polygonal base, and triangular sides that meet at a point
Cylinder Geometry. a surface or solid bounded by two parallel planes and generated by a straight line moving parallel to the given planes and tracing a curve bounded by the planes and lying in a plane perpendicular or oblique to the given planes