Question

pls solve this fast​

Answer 1

All the questions are based on exterior angle concept.

Just keep one thing in mind. No matter how many sides a polygon has, the sum of exterior angles is ALWAYS 360°.

Hence

Q 5)

i) 360°

ii) 360°

iii) 360°

iv) 360°

v) 360°

(note: sum of interior angle is not constant. It depends upon the number of sides and is equal to (n - 2)*180°)

Q 6) given one exterior angle = 20°

no. of sides = 360°/20°

= 18

Q 7). sum of exterior angles = 360°

y + 2y + 3y + 3y + 4y + 5y + 6y = 360°

24y = 360°

y = 360°/24

y = 15°

Answer 2

Answer:

Q. 5 (I) 360°

(II) 360°

(III) 360°

(IV) 360°

Q. 6 No. of sides = 18

Q. 7 y = 15°

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