segitiga siku-siku tinggi 12cm Dan sisi miring 15cm

jawab
pitagoras

a= 12cm
c = 15 cm
b² = c² - a²"
b² = 15² - 12²
b² = 225 - 144
b² = 81
b = 9 

a = alas
b = tinggi
c = sisi miring

⇔[tex] {a}^{2} = {c}^{2} - {b}^{2} [/tex]

⇔[tex] {a}^{2 } = {15}^{2} - {12}^{2} [/tex]

⇔[tex] {a}= \sqrt{225 - 144} [/tex]

⇔[tex]a = \sqrt{81} [/tex]

⇔[tex]a = 9[/tex]