Question

three angles of a quadrilateral are equal and its fourth angle is right angle find the measures of each​

Answer 1

$\huge \boxed{heya}$

Let the three angles be 'x'.

It is given that the 4th angle= 90°

Now, we know that the sum of all angles of a quadrilateral=360°------(Angle sum property of a quadrilateral)

So,

x+x+x+90°=360°

3x+90=360

3x=360-90

3x=270

x=270÷3

x=90°

Therefore, the three angles measure 90° each.

Answer=>90°

Answer 2

let's take three of angle be x.

forth angle =90*

sum of all angle of an quadrilateral is= 360*

therefore....x + x + x + 90 = 360

3x + 90 = 360

3x = 360 - 90

3x = 270

x = 90*

therefore all four angle are 90*

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hope it's helpful for all.