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I need help with #3. Please help. I have to show all work so please explain

I need help with #3. Please help. I have to show all work so please explain
asked 54.3k views
5 votes
I need help with #3. Please help. I have to show all work so please explain

I need help with #3. Please help. I have to show all work so please explain-example-1
asked
User Tigran Babajanyan
by
8.1k points

1 Answer

3 votes

Answer:

a = 2

Explanation:

Use Pythagorean Theorem:


a^2+b^2=c^2\\a^2+2.1^2=2.9^2\\a^2+4.41=8.41\\a^2=4\\√(a^2)=√(4)\\a=2

Therefore, a is 2 meters.

answered
User Roham Tehrani
by
8.5k points
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