Question

angles of the quadrilateral are (4x)°,5(x+2)°,(7x-20)°and6(x+3)° find the value of X

Answer 1

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Answer 2

As we know the sum of angles of quadrilateral is 360

Than

4x+5x+10+7x-20+6x+18=360

9x-10+13x+18=360

22x+8=360

22x=352

x=352/22

x=16

Then the angles are

First angle=16*4=64

Second angle =5x+10=80+10=90°

Third angle =(7*16)-20=112-20=92

Fourth angle =(6*16)+18=96+18=114

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Verification

64+90+92+114=360

154+206=360

360=360

Hence proved