Question

a picture frame is 40 cm by 30 cm find its diagonal​

Answer 1

Answer:

Step-by-step explanation:

D=diagonal

D^=1600+900

D=√2500

D=50cm

Answer 2

Step-by-step explanation:

it is a rectangle therefore its having a diagonal the length of diagonal is is

a2+b2=c2

(40)2+(30)2=c2

1600+900=c2

2500=c2

c=√2500

c=50