Question

A right angle ed triangle ab= 2cm bc =3cm ac = _

Answer 1

Step-by-step explanation:

A is right angled triangle

use pythagoreans theorem

${bc}^{2} = ab {}^{2} + {ac}^{2}$

${ac}^{2} = 9 - 4 \\ {ac}^{2} = 5 \\ ac = \sqrt{5}$