f.2 mathz (1 question only,plz help)

2008-04-06 9:58 pm
plz help me to ans the question,,i need the steps!thz for all of your help.

1)The interior angles of a quadrilateral are in the ratio of 1:2:3:4.Find the size of the smallest angle.

回答 (2)

2008-04-09 9:34 pm
✔ 最佳答案
Let x be the size of the smallest angle:

x+2x+3x+4x=(4-2)X180 ( angles of a polygon)
10x=360
x=36
So, the size of the smallest angle is 36 degree.
參考: homework question
2008-04-06 10:16 pm
1)The interior angles of a quadrilateral are in the ratio of 1:2:3:4.Find the size of the smallest angle.
360 x 1/10
=36

2008-04-06 14:17:49 補充:
1)The interior angles of a quadrilateral are in the ratio of 1:2:3:4.Find the size of the smallest angle.

360˚ x 1/10

=36˚


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