Practice with area of regular polygons.
C D
A regular pentagon has an apothem measuring 20 cm
and a perimeter of 145.3 cm.
What is the area of the pentagon?
square centimeters
20 cm

question

what is the value of the third quartile of the data set represented by this box plot? a. 19 b. 21 c. 26 d. 29

answer

c

y > 1/3x

y < = -x + 4

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x = 17

step-by-step explanation:

1st step: isolate x.

24 - 3x = -27

-24         -24

-3x   =   -51

2nd step: divide.

-3x     =   -51

  3             3

  x       =     17

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answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation: