Question

Two sides of a triangle measure 9 cm and 23 cm what could be the measurement of the third side of the triangle

Answer 1

Pythagorean Theorem: a^2+b^2=c^2
(9)^2 + b^2 = (23)^2
81 + b^2 = 529
b^2 = 529 - 81
b^2 = 448
b^2 =
$\sqrt{448}$
b = 21.2