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4. which of the following is the correct way to express $r$ in the form…

Question

  1. which of the following is the correct way to express $r$ in the formula $a = \frac{1}{2}rh$?

a. $r = a \times 2h$
b. $r = \frac{2a}{h}$
c. $r = \frac{a}{h}$
d. $r = \frac{h}{2a}$

Explanation:

Response

Explicación:

Paso 1: Multiplicar por 2 ambos lados

$$2A = rh$$

Paso 2: Dividir por $h$ ambos lados

$$r = \frac{2A}{h}$$

Respuesta:

b. $r = \frac{2A}{h}$

Answer:

Explicación:

Paso 1: Multiplicar por 2 ambos lados

$$2A = rh$$

Paso 2: Dividir por $h$ ambos lados

$$r = \frac{2A}{h}$$

Respuesta:

b. $r = \frac{2A}{h}$