the sum of two angles of a triangle is equal to its third angle. determine the measure of third angle.
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Let the first angle be a and second angle be b.
Third angle = a + b
Sum of all angles of the triangle are 180°
a + b +( a + b) = 180°
2a + 2b = 180°
a + b = 90°
Therefore,
Third angle = 90°
Final answer- The measure of the third angle is 90°
Third angle = a + b
Sum of all angles of the triangle are 180°
a + b +( a + b) = 180°
2a + 2b = 180°
a + b = 90°
Therefore,
Third angle = 90°
Final answer- The measure of the third angle is 90°
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