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What is the length of side BD?
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4 votes
What is the length of side BD?

What is the length of side BD?-example-1
User Linuscash
by
5.4k points

2 Answers

4 votes
I would say the length of side BD is 26.1 rounded to the tenths place.
Step-by-step explanation:
You can use Cosine
Equation: Cos(40)=20/x [x being BD]
Or 20/Cos(40) which leaves you with 26.10815...
Therefore BD’s length would be 26.1 when rounded.
User Wellington
by
6.2k points
7 votes

Answer: 26.1

Step-by-step explanation:


cos\theta=(adjacent)/(hypotenuse)\\\\\\cos(40^o)=(20)/(BD)\\\\\\BD=(20)/(cos(40^o))\\\\\\BD=26.1

User Andrew Guy
by
6.1k points
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