The difference of two actual angles in a right angled trangle is 2(pie)/5. The value of the smallest angle is?
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1
in right angle triangle one angle is 90°
let another two angles are A and B
now,
A +B +90° =180°
A + B =90°
given,
A -B =2π/5 =2(180°)/5 =72°
solve both equation ,
A + B= 90°
A - B =72°
A =162/2 =81°
and B =9 °
hence, smallest angle is 9°
let another two angles are A and B
now,
A +B +90° =180°
A + B =90°
given,
A -B =2π/5 =2(180°)/5 =72°
solve both equation ,
A + B= 90°
A - B =72°
A =162/2 =81°
and B =9 °
hence, smallest angle is 9°
BishalDas:
Many many thanks
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Before repairing a bike needs 4/5 hr per day servicing for 60 days.After repairing it need servicing same hr per day for 80 days. the time fraction save of ?
Ans. 2/5
Please solve it..
Answered by
1
9% the smallest angle
Many many thanks
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