Get reliable answers to your questions at Westonci.ca, where our knowledgeable community is always ready to help. Connect with a community of experts ready to provide precise solutions to your questions on our user-friendly Q&A platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Alex surveyed 60 student about their Vera zoo animals and made the circle graph of the results shown below

Sagot :

we can use the cross multiplication

we know that the full angle of a circle is 360° so the total angle corresponds to 60 students

so, what is 72 degrees?

[tex]\begin{gathered} 360\longrightarrow60 \\ 72\longrightarrow x \end{gathered}[/tex]

where x is the number of students than said giraffes

[tex]\begin{gathered} x=\frac{72\times60}{360} \\ \\ x=12 \end{gathered}[/tex]

the students than said giraffes are 12