The diagonal is 20 units.
192 sq ft. (12x16)
192
192
12x16/13
1x192 2x96 3x64 4x48 6x34 8x24 12x16 I'm thinking you are factoring and intended to say added together. 12 and -16 will give you -192 and when added will be -4.
22.5
21 1/3
There are 192 inches in a foot. Hint: do 12x16.
12 x 16 = 192 square feet.
12 feet x 16 feet = 192 square feet
192 square feet (12 x 16 = 192).