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Find each marked side or angle show the step by step​
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3 votes
Find each marked side or angle show the step by step​

Find each marked side or angle show the step by step​-example-1
User Dethariel
by
3.6k points

1 Answer

2 votes

Answer:

taking b as reference angle

using cos rule

cos b=b/h

cos b=1.3/2.8

cos b=0.46

cos 62 =0.46

Explanation:

therefore the value of b is 62 degree

User Webspirit
by
4.3k points
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