Q. 44.2( 15 Votes )

If the difference of two acute angles of a right-angled triangle is , then let us write the sexagesimal values of two angles.

Answer :

let the two angles be x and y.

it is a right-angled triangle


…[1]


Also, by question


…[2]


Adding eq. [1] and eq. [2]



…[3]


By eq. [1] and eq. [3]



Converting x to sexagesimal angle





x° = 81°


y° = 90° – x°


y° = 9°


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West Bengal Board - Mathematics