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Construction of Quadrilaterals — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsConstruction of Quadrilaterals1 Mark
Question
Fill in the blanks.
Each interior angle of a regular octagon is (_____)°.
✓

Answer

Each interior angle of a regular octagon is (135)°.
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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