QUESTION IMAGE
Question
- 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. $r = \frac{h}{2a}$
Response
Explicación:
Paso 1: Multiplicar por 2 ambos lados
$$2A = rh$$
Paso 2: Dividir por $h$ ambos lados
$$r = \frac{2A}{h}$$
Respuesta:
b. $r = \frac{2A}{h}$
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Explicación:
Paso 1: Multiplicar por 2 ambos lados
$$2A = rh$$
Paso 2: Dividir por $h$ ambos lados
$$r = \frac{2A}{h}$$
Respuesta:
b. $r = \frac{2A}{h}$