Question

a right triangle is shown. what is the value of j? a 47 b 61 c 65 d 79

Explanation:

Step1: Aplicar el Teorema de Pitágoras

$$j^{2}=63^{2}+16^{2}$$

Step2: Calcular los cuadrados

$$j^{2}=3969 + 256$$

Step3: Sumar

$$j^{2}=4225$$

Step4: Extraer la raíz cuadrada

$$j=\sqrt{4225}$$
$$j = 65$$

Answer:

C. 65