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Volgvan
3 years ago
9

Solve this problem please.

Mathematics
2 answers:
Annette [7]3 years ago
7 0

Answer:

Hi there!

The correct answer is: 21 m

Step-by-step explanation:

Using the law of cosine: ( c² = a²+ b² − 2ab cos(C) )

In this case the missing side BC, would be represented by "C"

c² = (6.5)² + (21.9)² - (2)(6.5)(21.9)cos(73.5)

simplify and you get c=21 m

enyata [817]3 years ago
4 0
So basically plus likes 21.9+73:5=let’s say 5 than your do 6.5+73.5=“788” then 21.9+6.5=“789” (those aren’t the real answers) you do that and do addition the 3 answers together and Multiple by 2
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