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Asked by Mariam

If the angle ofa quadrilateral are a, a+10,a+20,and a+30 find a the value of eacq angle
3 years ago

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Answered by mathhelper
The sum of the angles of a quad is 360°, so
a + a+10 + a+20 + a+30 = 360

Can you solve this for a
then sub it back into the definitions ?
3 years ago

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