Question

answer the question
class 8th ​

Answer 1

Answer:

90

Step-by-step explanation:

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Answer 2

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Your Answer!

In a quadrilateral, if all the three angles are 90° then the fourth angle must be 90° because, in a quadrilateral the sum of all the angles is 360° so, 90+90+90=270. Therefore, 360-270=90

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$\huge\mathtt{Brainliest \ Please!}$

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