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12-04-2022
Mathematics

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Find b, glven that a = 20, angle A = 30°, and angle B= 45 triangle ABC.

Find b glven that a 20 angle A 30 and angle B 45 triangle ABC class=

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bethelcalia bethelcalia

12-04-2022

Answer:

b =28.28

Step-by-step explanation:

SinA/x = sinB/x

Sin30°/20=sin45°/b

Cross multiplication

20×sin45=b×sin30

20×sin45/sin30 =b

b=28.28

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