Area and perimeter quiz

triangle angles measure what

180*

acute

3 acute angles

equilateral

3 equal sides

Triangle area

A=1/2 bh

trapezoid area

A=1/2(b1+b2)h

parrellelogram area

A=bh

Cicle Area

A=πr2

circle circumference

C=πd or C=2πr

square root

a number (n) is that when multiplied by itself equals n

triangle area

a2+b2=c2

rectangle area

a=lw

types of triangles angles

acute, obtuse, right, equiangular,

equiangular

all sides 60*

triangle bases

angles and sides

types of triangle sides

equilateral, isosceles, scalene

perfect squares

have integer roots

radius

line half way through the center of a circle

diameter

line straight through the center of a cirlce

hypotenuse

longest part of the triangle

scalene

no equal sides

obtuse

one angle more then 90*

right

one angle with 90*

chord

random line

Isosceles

two equal sides