coverta em radianos a) 210 b) 300 c) 270 d) 150
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3
a)
π rad = 180
x 210
π rad 180 (:30)
--------- = --------
x 210 (:30)
π rad 6
--------- = -------
x 7
7π rad
----------- = x
6
x = 7 π rad
-----------
6
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
b)
π rad = 180
x 300
π rad 180 (:60)
--------- = --------
x 300 (:60)
π rad 3
----------- = -------
x 5
5π rad
---------- = x
3
x = 5 π rad
------------
3
c)
π rad = 180
x 270
π rad 180 (:90)
--------- = --------
x 270 (:90)
π rad 2
--------- = -------
x 3
3π rad
----------- = x
2
x = 3 π rad
-------------
2
****************************
d)
π rad = 180
x 150
π rad = 180 (:30)
-------- ------
x 150 (:30)
π rad 6
--------- = ------
x 5
5 π rad
------------ = x
6
x = 5 π rad
-------------
6
π rad = 180
x 210
π rad 180 (:30)
--------- = --------
x 210 (:30)
π rad 6
--------- = -------
x 7
7π rad
----------- = x
6
x = 7 π rad
-----------
6
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
b)
π rad = 180
x 300
π rad 180 (:60)
--------- = --------
x 300 (:60)
π rad 3
----------- = -------
x 5
5π rad
---------- = x
3
x = 5 π rad
------------
3
c)
π rad = 180
x 270
π rad 180 (:90)
--------- = --------
x 270 (:90)
π rad 2
--------- = -------
x 3
3π rad
----------- = x
2
x = 3 π rad
-------------
2
****************************
d)
π rad = 180
x 150
π rad = 180 (:30)
-------- ------
x 150 (:30)
π rad 6
--------- = ------
x 5
5 π rad
------------ = x
6
x = 5 π rad
-------------
6
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