Angelina has a lawn, ABCD. She has placed a watering hose, BD, as shown below

Part A: Angelina plans to put a fence along the length AD of her lawn. What is the length of the fence required?
Part B: Using complete sentences, explain how you arrived at the answer for Part A

Question

Angelina has a lawn, ABCD. She has placed a watering hose, BD, as shown below
 
Part A: Angelina plans to put a fence along the length AD of her lawn. What is the length of the fence required?
Part B: Using complete sentences, explain how you arrived at the answer for Part A

anonymous · Answer

attachment

anonymous · Answer

@Mertsj i need help:/ i just need to know what formula to use

anonymous · Answer

yes but i need like the formula where i can plug in numbersplease

mertsj · Answer

Use the Pythagorean Theorem on triangle BCD

mertsj · Answer

BD is the hypotenuse.

anonymous · Answer

there is not a number for BD?

anonymous · Answer

ohhh you want me to find BD? @Mertsj

mertsj · Answer

yes.  If you know BD you can use the 30-60-90 triangle and find AD

anonymous · Answer

what is the formula to find AD?

anonymous · Answer

@Mertsj  i found BD npw what do i do?

anonymous · Answer

now*

mertsj · Answer

In a 30-60-90 triangle, the short leg is 1/2 the hypotenuse.

anonymous · Answer

@Mertsj  so i divide BD in half?

mertsj · Answer

Yes...that is how you find 1/2 of something...you divide it in half.

anonymous · Answer

okay. i got 37 for BD. Is that right?@Mertsj

mertsj · Answer

BD is 37.  So now you have this triangle:

mertsj · Answer

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