Step-by-step explanation:
you can split triangle in two 90-:80 triangles
(Bc)/(ab)=tan1
(Ef)/(ec)=tan2
Angle 1= angle 2
Tan1=tan2
(Bc)/(ab)=(ef)/(ec)
...
If the total number of lunch items is 117, there will be 39 hamburgers there
<h3>Ratio and proportion</h3>
Fractions are written as a ratio of two numbers
Given
Total items = 117
If the ratio of hot dogs to hamburgers is 26:13, then the total hamburgers that are there is given as:
Hamburgers = 13/39 * 117
Hamburgers = 39
This shows that if the total number of lunch items is 117, there will be 39 hamburgers there
Learn more on ratio here: brainly.com/question/2328454
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12=9h
12/9=h
4/3=h
4/3 units, or 1 1/3 units
