ANGLES of the QUADRILATERAL be 3x, 5x, 9x and 13X respectively.We know that,Sum of angles of a quadrilateral = 360o⇒ 3x + 5x + 9x + 13x = 360o⇒ 30x = 360o⇒ X = 12oThe largest angle = 13x = 13 × 12 = 156o∴ The largest angle = 156oSmart TrickAngles ratio = 3 : 5 : 9 : 13Hence, largest angle must be multiple of 13.In given options, only 156° is multiple of 13.∴ 156° is the CORRECT answer.

"> ANGLES of the QUADRILATERAL be 3x, 5x, 9x and 13X respectively.We know that,Sum of angles of a quadrilateral = 360o⇒ 3x + 5x + 9x + 13x = 360o⇒ 30x = 360o⇒ X = 12oThe largest angle = 13x = 13 × 12 = 156o∴ The largest angle = 156oSmart TrickAngles ratio = 3 : 5 : 9 : 13Hence, largest angle must be multiple of 13.In given options, only 156° is multiple of 13.∴ 156° is the CORRECT answer.

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If angles of a quadrilateral are in the ratio 3 : 5 : 9 : 13, find the largest angle?

SRMJEEE Analytical Geometry in SRMJEEE 9 months ago

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Let the ANGLES of the QUADRILATERAL be 3x, 5x, 9x and 13X respectively.We know that,Sum of angles of a quadrilateral = 360o⇒ 3x + 5x + 9x + 13x = 360o⇒ 30x = 360o⇒ X = 12oThe largest angle = 13x = 13 × 12 = 156o∴ The largest angle = 156oSmart TrickAngles ratio = 3 : 5 : 9 : 13Hence, largest angle must be multiple of 13.In given options, only 156° is multiple of 13.∴ 156° is the CORRECT answer.

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