Question

plzzz help me plz plzz​

Answer 1

Step-by-step explanation:

AC²=12²+5²

=144+25

163

AC=root 169=13

Answer 2

Answer:

13 cm

Step-by-step explanation:

Given:

i) ABCD is a rectangle.

ii) AB=12cm

iii) BC=5cm

To find : Length of AC

Solution:

Triangle ABC is a right-angled triangle....(ABCD is a rectangle).

So,

we can use Pythagoras' theorem here.

Thus,

(AC)² = (AB)² + (BC)²

= 12² + 5²

=144+25

=169

AC = 13 cm