Question

find the value of x
explain it
plz do it fastly ​

Answer 1

(c) Angle sum of a pentagon = 540°

(c) Angle sum of a pentagon = 540°⇒ 30° + x + 110° + 120° + x = 540° [∵ 180° – 70° = 110°; 180° – 60° = 120°]

(c) Angle sum of a pentagon = 540°⇒ 30° + x + 110° + 120° + x = 540° [∵ 180° – 70° = 110°; 180° – 60° = 120°]⇒ 2x + 260° = 540°

(c) Angle sum of a pentagon = 540°⇒ 30° + x + 110° + 120° + x = 540° [∵ 180° – 70° = 110°; 180° – 60° = 120°]⇒ 2x + 260° = 540°⇒ 2x = 540° – 260°

(c) Angle sum of a pentagon = 540°⇒ 30° + x + 110° + 120° + x = 540° [∵ 180° – 70° = 110°; 180° – 60° = 120°]⇒ 2x + 260° = 540°⇒ 2x = 540° – 260°⇒ 2x = 280°

(c) Angle sum of a pentagon = 540°⇒ 30° + x + 110° + 120° + x = 540° [∵ 180° – 70° = 110°; 180° – 60° = 120°]⇒ 2x + 260° = 540°⇒ 2x = 540° – 260°⇒ 2x = 280°⇒ x = 140°

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