Fatima wants to mail three parcels to three village schools . She finds that the postal charges are Rs 20 , Rs 28 and Rs 36 respectively . If she wants to buy stamps only of one denomination , what is the greatest denomination of stamps she buys to mail the tree parcels ?

need points to ask question

step-by-step explanation:

b

step-by-step explanation:

the word superfluous means unnecessary

jwjwkwkwkkkdjebd b jdjejdndj he jenej

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length