Question

yadi kisi varg ki bhuja ko 20% badha diya jaye, to (तो) uske chetraphal ( क्षेत्रफल ) me ( मे ) kitne percent ki vridhi hogi?​

Answer 1

Answer:

19 percent ka hoga

Step-by-step explanation:

let the length of sides is = 10

the area of square = 100 CM

loss in the sides = 10 percent

so the size of sides is = 9 CM

the area of second square = 81 CM

the loss of CM is = 19 cm

19cm is the percent of 100cm = 19 percent