Question

In a trapizeum ,the length of one parallel side is thrice the other parallel side .if the area of the trapizeum is 48cm² and height is 3.2 cm ,find the length of its two parallel sides​

Answer 1

Answer:

20cm and 10 cm

Step-by-step explanation:

let,one side be x and other be 3x

area of trapezium=48cm²

height=3.2cm

Area of trapezium=½×(a+b)×h

48 =½×(2x+x)×3.2

(48×2)÷3.2 =3x

30=3x

10=x

1st Parallel side =2x =20cm

2nd Parallel side=x=10cm

Answer 2

Step-by-step explanation:

22.5

7.5

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