Geometry

Question 1

AREA of a CIRCLE

Answer 1

A=π(r^2)

Question 2

CIRCUMFERENCE (perimeter) of a CIRCLE

Answer 2

C=2πr

Question 3

LENGTH of a circle’s ARC

Answer 3

(______/360) x Circumference

Question 4

VOLUME of a CUBE

Answer 4

V=a^3

Question 5

SURFACE AREA of a CUBE

Answer 5

A=6(a^2)

Question 6

Equilateral Triangle

Answer 6

All sides are equal

Question 7

Isosceles Triangle

Answer 7

2 sides are the same

Question 8

Congruent=

Answer 8

Identical

Question 9

Scalene

Answer 9

All sides are different

Question 10

HEIGHT for an EQUILATERAL Triangle

Answer 10

h=side x [square root (3)] / 2

Question 11

AREA of a TRIANGLE

Answer 11

A=1/2bh

Question 12

INSCRIBED Angle

Answer 12

Angle formed by 2 chords which have a common endpoint, called the vertex; The other 2 endpoints form the intercepted arc

Intercepted Arc Angle= 2 x Inscribed Angle

Question 13

VOLUME of a CYLINDER

Answer 13

V= bh= π(r^2) x h

b= base = area of a circle
h= height= height of a rectangle

Question 14

AREA of a CYLINDER

Answer 14

A= 2πrh + 2π(r^2)

Question 15

30, 60, 90 Triangle: Across from these angles equals what?

30= ?
60= ?
90= ?

Answer 15

30= X
60= X [square root (3)]
90= 2X

Question 16

CENTRAL Angle

Answer 16

Any angle whose vertex is at the center of a circle

Minor Arc Angle= Central Angle

Question 17

AREA of a SQUARE

Answer 17

A= a^2

Question 18

AREA of a RECTANGLE

Answer 18

A= ab

Question 19

AREA of a PARALLELOGRAM

Answer 19

A= bh

Question 20

AREA of a TRAPEZOID

Answer 20

A= (h/2) x (b1 + b2)

Question 21

AREA of an EQUILATERAL Triangle

Answer 21

A= (1/4) x [square root (3)] x (a^2)

Question 22

AREA of a TRIANGLE given SAS

Answer 22

A= (1/2) a b Sin(C)

Question 23

VOLUME of a RECTANGULAR Prism

Answer 23

V= abc

Question 24

VOLUME of a PYRAMID

Answer 24

V= (1/3)bh

Question 25

VOLUME of a CONE

Answer 25

V=(1/3)bh= (1/3) π (r^2) h

Question 26

VOLUME of a SPHERE

Answer 26

V= (4/3) π (r^3)

Question 27

Surface AREA of a SPHERE

Answer 27

A= 4 π (r^2)

Question 28

45, 45, 90 Triangle: Across from these angles equals what?

45= ?
45= ?
90= ?

Answer 28

45= X
45= X
90= (X) x [square root (2)]