the third - grade class at Thomas Elementary School goes on a trip to the zoo. Students are in groups of 6. Mr. Bell's and Ms. Ridley's classes are combined . the teachers want to know how many groups will be in the combined classes . What do you need to know to solve ?

pla·gia·rism

/ˈplājəˌrizəm/

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noun

the practice of taking someone else's work or ideas and passing them off as one's own.

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft