Question

The perimeter of a rectangle is 50 cm and its length is 15 cm find its diagonal.

Answer 1

perimeter= 50 cm

length= 15 cm

50 = 2(l+b)

50=2(15+b)

25=15+b

25-15=b

10

diagonal= l²+b²

h² =15²+10²

h² =225+100

h=√325