I a triangle ABC, angle C is 90⁰ and AB is 7cm and BC is 3cm. The length of AC will be
Use the Pythagorean theorem:
AC² = AB² + BC²
AC² = 7² + 3²
AC² = 49 + 9
AC² = 58
AC = √58 cm (the square root of 58 cm)
AC² = AB² + BC²
AC² = 7² + 3²
AC² = 49 + 9
AC² = 58
AC = √58 cm (the square root of 58 cm)