04. two angles of a triangle measure 30° & 55° respectively. Find the measure of the third angle. Also state what type of a triangle is it?
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Explanation:
The sum of the measures of the three angles of the triangle is
180
o
.
So,
35
o
+
45
o
+
z
=
180
o
80
o
+
z
=
180
o
z
=
180
o
−
80
o
=
100
o
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