One of the angles of a triangle is equal to the sum of the other two angles. If the ratio of the other two angles is 5 : 4, then the smallest angle of the triangle is
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one of the angles in a triangle is equal to the sum of other two, then let the bigger angle be x, then each of the other angles will be 5x/9 and 4x/9
the equation wlii now be
x+5x/9+4x/9=180 [angle sum property]
=>2x=180=>x=90
then the smallest angle=4x/9=4×90/9=40 degrees maybe this will help you
the equation wlii now be
x+5x/9+4x/9=180 [angle sum property]
=>2x=180=>x=90
then the smallest angle=4x/9=4×90/9=40 degrees maybe this will help you
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