Question

Find the area of the triangle with perimeter 22 cm one side 9 cm and difference of other two sides is 7 ccm

Answer 1

something that is usual, typical, or standard."strikes were the norm"synonyms:standard, usual, normal, typical, average, the rule, predictable,unexceptional, par for the course, what one would expect, expected,(only) to be expected"child protection teams are now the norm in local authorities"a standard or pattern, especially of social behaviour, that is typical or expected.plural noun: norms"the norms of good behaviour in the Civil Service"synonyms:convention, standard, criterion, measure, gauge, yardstick,benchmark, point of reference, touchstone, barometer, litmus test,basis, scale, rule, formula, pattern, guide, guideline, model,exemplar, type"talks intended to establish norms of diplomatic b

Answer 2

Area of rectangle = length x breadth

Area of square = side^2

Let the length of side of the square be 'a'.

⇒ Area of square = area of rect.

⇒ a^2 = 4 cm x 9 cm

⇒ a^2 = 36 cm^2

⇒ a = √36cm^2

⇒ a = 6 cm

Length of side of the square is 6 cm