The area of trapezium is 384cm2 it's parallel sides are in ratio 3:5and the distance between them is 12 CM find the length of each parallel side
Answers
Answered by
4
ratio of sides =3:5
so let sides are 3x, 5x
height =12 cm
area of trapezium = 1/2(3x +5x) ×12
384=1/2(8x)×12
384×2=8x×12
768=8x×12
768/12 = 8x
64=8x
x=64/8
x=8cm
now sides are 3x=3×8=24 cm
5x=5×8=40 cm
so let sides are 3x, 5x
height =12 cm
area of trapezium = 1/2(3x +5x) ×12
384=1/2(8x)×12
384×2=8x×12
768=8x×12
768/12 = 8x
64=8x
x=64/8
x=8cm
now sides are 3x=3×8=24 cm
5x=5×8=40 cm
Similar questions