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Construction of Quadrilaterals — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSConstruction of Quadrilaterals1 Mark
Question
Fill in the blanks. Each interior angle of a regular octagon is $($_____$)^\circ .$
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Answer

Each interior angle of a regular octagon is $(135)^\circ .$
 Solution: Octgon has $8$ sides.
$\therefore$ Interior angle $=\frac{180^\circ\text{n}-360^\circ}{\text{n}}$
Interior angle $=\frac{(180^\circ\times8)-360^\circ}{{8}}=135^\circ$

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