Question

) In a right- angled triangle, the two acute angles are in the ration 4 : 5. Find these angles. *

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Answer 1

Answer:

let the number be 4x and 5x

the sum of angleof Triangle = 180 degree

90°+4x+5x=180°

90°+9x=180°

9x=180° -- 90°

9x =90°

x=90/9

x=10 Ans

Then,

4x = 4×10=40°

5x=5×10 =50°

Answer 2

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