Question

10. The angles of a quadrilateral are in AP whose common difference is 100
.
Find the angles.
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Answer 1

Answer:

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Answer 2

Answer:

The angles of a quadrilateral are in A.P. whose common difference is 10

0

, then the first angle in A.P. is

Step-by-step explanation:

Let the angles be a, a+d,a+2d,a+3d

⇒a+a+d+a+2d+a+3d=360 °

⇒4a+6d=360 °

(d=10)

⇒4a=360−60

⇒a= 4÷300

=75 °