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Standard VII
Mathematics
Area of a Triangle
Question
In a triangle, the measures of the angles are x, x + 20 and 2x what is the value of x?
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Solution
Verified by Toppr
The angles of triangle is
x
,
x
+
20
,
2
x
By angle sum property
Sum of all angles is equal to
180
x
+
x
+
20
+
2
x
=
180
4
x
=
180
−
20
4
x
=
160
x
=
40
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