the perimeter of a rectangle is equal to the perimeter of aright - angled triangle of height 12 cm . if the base of the triangle is equal to the breadth of the rectangle , what is the length of the rectangle ”
p = 2 ( l + b ) = l + b + h = l + b + 12 . data inadequate . answer d
multiply(const_2, sqrt(add(const_1, power(12, const_2))))