chaeldsshadD chaeldsshadD

28-07-2016
Mathematics

contestada

one third of the sum of two angles is 60 degree and one quarter of their difference is 28 degree. find the two angles

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texaschic101 texaschic101

28-07-2016

1/3(a + b) = 60
a + b = 60 * 3 = 180

1/4(a - b) = 28
a - b = 28 * 4 = 112

a + b = 180
a - b = 112
---------------add
2a = 292
a = 292/2
a = 146

a + b = 180
146 + b = 180
b = 180 - 146
b = 34

so ur 2 angles are : 146 and 34

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