The sides of a quadrangular plot of land are 132.68 m, 48.3 m, 132.736 m, and 48.37 m. What is the perimeter of this plot to the correct number of sigfigs?

362.086 m

Step-by-step explanation:

To calculate this perimeter, we just simply add these four sides together:

= 132.68 m+ 48.3 m + 132.736 m + 48.37 m

= 362.086 m

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

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