The marked price of an article is 25% above the selling price and cost price is 40% below the list price, then rate of discount is

15%
b. 20%
25%
d. 40%
​

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by