Question

21. A ABC is a right angled triangle ,right angled at B. If BC =3 cm and
AB = 4cm, then find the length of AC?​

Answer 1

Answer:

AC=5cm

Step-by-step explanation:

(AC)^2=(AB)^2+(BC)^2

(AC)^2=(4)^2+(3)^2

(AC)^2=16+9

(AC)^2=25

(AC)=√25

AC=5cm