Question

if a quadrilateral pqrs angle P is equal to 120 and angle Q is equal to angle R is equal to angle S find QRS​

Answer 1

Step-by-step explanation:

In quadrilateral PQRS

$\angle P \: = 120 \degree \\ \angle Q= \angle R = \angle S..(given) \\ let \: \angle Q= \angle R = \angle S = x \\ \therefore \: by \: angle \: sum \: property \: of \: a \\ \: quadrilateral: \\ 120 \degree + x + x + x = 360 \degree \\ 3x = 360 \degree - 120 \degree \\ 3x = 240\degree \\ x = \frac{240\degree}{3} \\ x = 80\degree \\ \angle QRS = 80\degree$

Answer 2

Step-by-step explanation:

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