Question

Is a rectangle possible in which length and width | The ratio is 5: 4 and the area is 180 cm? If possible, find its length and width.​

Answer 1

Answer:

Yes it is possible

15 cm length and 12 cm width

Step-by-step explanation:

Let x be common multiple

Thus, 5x multiplied by 4x=180

20x^2=180

x^2=9

x=3 (-3 rejected as length cant be negative)

length=5x= 15cm

width=4x=12cm

Find a,b,c if a+b+c+8= 2root(a-1) + 4root(b-2) + 6root(c-3)

...now help me with my doubt please

Answer 2

Answer:

l=45cm

b=36cm

Step-by-step explanation:

let the length and breadth be 5x and 4x respectively.

l:b=5:4

5x multiply 4x equal 180 cm

20 X equal 180 cm

X equal 9 CM

5 X equal 45cm

4 x = 36 cm