What are possible dimensions of a triangle with an area of 45 square centimeters

The possible dimensions of the triangle with the area of 45 cm squared can be 
5 and 9 because 5 x 9 = 45 cm squared , or 15 and 3 because 15 x 3 = 45
but i think the best possible dimensions of this triangle is 5 and 9

hope this helps you

The first option would be correct if it were one half and not one