contestada

Reba is playing on the slide. Over and over, she climbs the 9-foot ladder, goes down the slide, and walks 3 feet to get back to the ladder. How far does Reba travel each time she repeats this process? If necessary, round to the nearest tenth.

Respuesta :

we have

then find c

[tex]\begin{gathered} c^2=3^2+9^2 \\ c^2=9+81 \\ c^2=90 \\ c=\sqrt[]{90} \\ c=3\sqrt[]{10} \end{gathered}[/tex]

therefore the distance is:

[tex]9+3\sqrt[]{10}+3=21.5[/tex]

answer: 21.5 ft

Ver imagen AlessaO38338

Otras preguntas