Math test 5/22 deleon

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Area of a regular polygon

A=1/2ap a=apothem p=perimeter

Area of a triangle

A=1/2bh

Area of a rhombus

A=1/2d1d2 where d1 and d2 are the diagonals it is one half their product

Area of a trapezoid

A=1/2h(b1+b2) the height multiplied by the bases added together then cut it all in half

area of a sphere

A=4πr²

Area of a parallelogram

A=bh

Area of a rectangle

A=bh

Area of a circle

A=πr²

circumfrence of a circle

C=2πr the outside of a circle

Lateral Area of a Right Prism

LA = Ph (Perimeter of base x height)

Lateral Area of a Cone

LA= 1/2 x 2πr x l (l=slant height) the lateral area of a cone is equal to half the circumference of the base mutiplied by the slant height

Lateral area of a regular pyramid

LA=1/2Pl

Lateral area of a cylinder

LA=2πrh The lateral area of a cylinder equals the circumference of a base times the height of the cylinder

slant height of a pyramid

the height of a lateral face of a pyramid

Lateral area of a prism

the sum of the areas of the lateral faces NOT the bases

Total area of a prism

TA=LA+2B

volume of a cone

V=1/3πr²h the volume of a cone is one third of the area of the base times the height of the cone

Volume of a sphere

V=4/3πr³

Volume of a right prism

V=Bh (area of base x height)

Volume of a cylinder

V=πr²h the volume of a cylinder equals the area of a base times the height of a cylinder

Apothem

a line segment that runs from the center of a regular polygon to the midpoint of one of its sides

Regular polygon

a polygon with all sides and all angles equal

Oblique prism

a prism that has at least one nonrectangular lateral face

Right prism

a prism whose lateral faces are all rectangles

regular pyramid

a pyramid whose base is a regular polygon and whose lateral faces are congruent isosceles triangles

Volume of a pyramid

1/3 x area of base x height


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