Question

the three angles of a quadrilateral are 90° each. find the fourth angle​ in detail
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Answer 1

Answer:

fourth is also 90°

Step-by-step explanation:

360=90+90+90+x

x=360-270

x=90°

Answer 2

Answer:

The fourth angle of a quadrilateral is 90°

Step-by-step explanation:

The three angles of a quadrilateral are=90°

Let the fourth angle be= x

Total sum of three angles of a quadrilateral are=90°+90°+90°= 270°

The sum of angles of a quadrilateral is 360°

90°+90°+90°+x =360°

270°+x=360°

x=360°-270°

x=90°

The fourth angle of a quadrilateral is 90°

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