Question

$(35) {}^{2} - (28) {}^{2} \: = m {}^{2} what \: is \: the \: value \: of \: m$
​

Answer 1

Answer:

21

Step-by-step explanation:

Given:

(35)² - (28)²= m²

1225 - 784 = m²

441= m²

$m = \sqrt{441} \\ m = 21$