Question

two angles of a triangle are 72 degree and 63 degree. find the third angle

Answer 1

Let the unknown angle be x
x + 72° + 63° = 180°
(Angle sum property of triangle)
x + 135° = 180°
x = 180°– 135°
x = 45°

Answer 2

Hey friend
राधे राधे

Given-:
In a triangle
One angle= 72°
Second angle = 63°

To find-:
Third angle=?

Solution-:

As we know that
In a Triangle sum of all angle is 180°
SO,

=>1st angle+2nd angle+3rd angle= 180°

=>72° + 63° + 3rd angle= 180°

=>135° + 3rd angle = 180°

=>3rd angle = 45°

So, the third angle is 45°


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