If a-10- 3 a-10- 5 a-10- and 3 a-10- are the angles of a quadrilateral- then what is the value of a-

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Sum of Measures of Exterior Angles of a Polygon

If a+10∘, 3 a...

Question

If a + 10^o, 3a + 10^o, 5a - 10^o and 3a - 10^o are the angles of a quadrilateral, then what is the value of a?

30^o

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40^o

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50^o

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20^o

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Solution

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Similar questions

If a + 10^o, 3a + 10^o, 5a - 10^o and 3a - 10^o are the angles of a quadrilateral, then what is the value of a?

s i n 3 A = c o s (A - 10^{o})

3 A

A .

sin 3 A = cos (A - 10^{\circ})

3 A

∠ A = . . . . . .

a^{2} + 4 a^{2} - 3 a + 6 - 10 + 5 a

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