Aptitude Question: Download Questions PDF
one angle of the triangle is 3 times a second angle and third angle is 20degrees more than the second angle. Then the second angle is?
Answer:
let x,y and z be the angles of 3 sides.
given: x=3y; z=y+20. y=?
we know the total angle of the triangle is 180 deg. therefore x+y+z=180.
on substituting the given conditions we get
3y+y+y+20=180
5y=160
y=32.
therefore the second angle isy=32 deg.
given: x=3y; z=y+20. y=?
we know the total angle of the triangle is 180 deg. therefore x+y+z=180.
on substituting the given conditions we get
3y+y+y+20=180
5y=160
y=32.
therefore the second angle isy=32 deg.
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