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°


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

In a circle, if aWest Bengal Board - Mathematics

Let us fill in thWest Bengal Board - Mathematics

<span lang="EN-USWest Bengal Board - Mathematics

In cyclic quardriWest Bengal Board - Mathematics

The ratio of two West Bengal Board - Mathematics

<span lang="EN-USWest Bengal Board - Mathematics

If the measures oWest Bengal Board - Mathematics

Let us write whetWest Bengal Board - Mathematics

In ΔABC, AC=BC anWest Bengal Board - Mathematics

Let us write the West Bengal Board - Mathematics