Answer:
Hi I'm learning the same thing and I just got it I think it's C=43.98cm
<span>sqrt(pow(length, 2) + pow(width, 2))
</span>
There are 27 boys on the playground.
Step-by-step explanation:
No. of Pre-K children = 34
No. of kindergarten children = 29
Total no of children = 29+34 = 63
Ratio of boys to girls = 3:4
Total ratio = 3+4 = 7
Therefore,
boys proportion = 
Total number of boys = 

There are 27 boys on the playground.
Keywords: Proportion, division.
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