QUESTION IMAGE
Question
the formula for the volume of a cylinder is ( v = pi r^2 h ). the cylinder to the right has an exact volume of ( 980pi ) cubic meters. find its height. (diagram: cylinder with radius ( 7 , \text{m} ), height labeled.) the height of the cylinder is (square) (simplify your answer.)
Step1: Identificar la fórmula y datos
La fórmula del volumen de un cilindro es \( V = \pi r^2 h \). Sabemos que \( V = 980\pi \) y \( r = 7 \) m. Sustituimos estos valores en la fórmula:
\( 980\pi = \pi (7)^2 h \)
Step2: Simplificar y resolver para h
Primero, calculamos \( (7)^2 = 49 \). Entonces la ecuación se convierte en:
\( 980\pi = \pi \times 49 \times h \)
Dividimos ambos lados por \( \pi \) para eliminar \( \pi \):
\( 980 = 49h \)
Ahora, resolvemos para \( h \) dividiendo ambos lados por 49:
\( h = \frac{980}{49} = 20 \)
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20 metros