Question

if one angle of a right angled triangle is 65 degree find the measure of third angle​

Answer 1

Answer Let one angle be ∠x

∴ other angle is ∠x+25  

o

 

Now,

  We know, by angle sum property, the sum of all angles of a triangles is 180  

0

.

⟹x+x+25  

o

+65  

o

=180  

o

 

⟹2x=180  

o

−90  

o

 

⟹x=45  

o

 

Thus, the angles are 45  

o

 and 70  

Answer 2

let x be the third mesure

90+65+x = 180(asp)

155+x=180

x=180-155

x = 25

so the third angle is 25°

hope it is helpful

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