How do you solve this

Stas Parshin asked Nov 18, 2022

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14 votes

Stas Parshin asked Nov 18, 2022

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15 votes

use sine law. x = 16.3cm

Explanation:

Since triangle angles add up to 180 deg

angle F = 180 -87 -40 = 53

side EF/ sin (angle G) = side EG / sin (angle F )

EF / sin(87) = 13 / sin(53)

EF = 13/sin(53) × sin(87)

EF = 16.3cm

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