8 Answers

11″ • 13″ = 143 in^2

Area = length * height
Area = 13 * 11
Area = 143 square inches

11 inch times 13 inch = 143 square inches.

143

143

Hay Randy…do you know a fast way to multiply by 11 ?
13 x 11
BRING DOWN THE 3
………..3
ADD THE ! and the 3 = 4
…….4 3
BRING DOWN THE 1
….1 4 3
ANSWER…………..143
52 x 11
5….5+2…..2
572
Neat huh????
.

143 its basic multiplication

it’s…………. *brains explode
Source(s): 143