TERM 1 MTA

Question 1

Polygon with 5 sides

Answer 1

Pentagon

Question 2

Polygyon with 7 sides

Answer 2

heptagon

Question 3

polygon with 9 sides

Answer 3

nonagon

Question 4

equilateral

Answer 4

all sides have the same length

Question 5

equiangular

Answer 5

all sides have the same angle

Question 6

convex

Answer 6

interior angles are less than 180 degrees

Question 7

concave

Answer 7

interior angles are more than 180 degrees

Question 8

formula for the sum of interior angles

Answer 8

180 x (n-2) divided by n

Question 9

formula for interior angle

Answer 9

sum divided by n

Question 10

formula for exterior angles

Answer 10

supplementary, 180 - IA

Question 11

supplementary

Answer 11

degrees the sum of 180 degrees

Question 12

complementary

Answer 12

degrees the sum of 90 degrees

Question 13

Discount

Answer 13

amount of money you saved by buying on sale

Question 14

formula of discount

Answer 14

discount rate x original price

Question 15

percent of change formula

Answer 15

NV/OV - NV divided by OV x 100%

Question 16

commission formula

Answer 16

total sale x commission rate

Question 17

sales tax

Answer 17

12% of your purchase added to cost

Question 18

tax formula

Answer 18

(TA x 12%) - TA

Question 19

interest

Answer 19

price you pay for borrowed money or return earned in an investment

Question 20

interest formula

Answer 20

principal x rate x time (convert to year)

Question 21

formula for converting months to years

Answer 21

month divided by 12 (ex. 6 divided by 12 = 0.5)

Question 22

regular polygon

Answer 22

equiangular and equilateral

Question 23

irregular polygon

Answer 23

atleast one side is different length or degree