the ratio between the three angles of a quadrilateral is 13 : 9 : 5 respectively. the value of the fourth angle of the quadrilateral is 36°. what is the difference between the largest and the second smallest angles of the quadrilateral?
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Ratio of three angles = 13 : 9 : 5
Measure of fourth angle = 36°
Difference between largest angle and the second smallest angle = ?
Let the angles be 13x, 9x and 5x.
As we know that the
Sum of the angles of the quadrilateral = 360°
So,
13x + 9x + 5x + 36° = 360°
27x = 360° - 36°
27x = 324°
x = 12°
First angle = 13x = 13 × 12° = 156°
Second angle = 9x = 9 × 12° = 108°
Third angle = 5x = 5 × 12° = 60°
Now, angles in the increasing order of their measure.
36° < 60° < 108° < 156°
It shows that 60° is the second smallest angle and 156° is the largest angle.
So
A/q
Difference between the largest and the second smallest angle
= 156° - 60°
=
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