Alegurar 20-gonFig 3.10Example 2: Find the number of sides of a regula

1.	Alegurar 20-gonFig 3.10Example 2: Find the number of sides of a regular polygon whose each exterior anglehas a measure of 45°.
Answer» $\huge\mathfrak\red{Given}\::$ Measure of exterior angle of a POLYGON is 45° $\huge\mathfrak\green{To\:Find}\::$ No. of SIDES of regular polygon $\huge\mathfrak\blue{Solution}\::$ ◉ ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ◉ ◆ Sum of all exterior ANGLES = 360° ➪ No. of exterior angles = $\sf{\dfrac{\cancel{360}}{\cancel{45}} \ = \ <klux>8</klux>}$ ★ No. of sides of regular polygon is 8 ◦•●◉✿ ᴘᴏɪɴᴛ ᴛᴏ ʀᴇᴍᴇᴍʙᴇʀ ✿◉●•◦ ☛ No.of exterior angles = No. of sides of polygon