The answer depends on units used for 11 by 13. 1 decimal = 40.47 sq metres, approx.
11/13 = 0.846153 recurring decimal
0.8462
To three decimal places, 0.846
The work area of 11 by 13 is 143.
13/11 = 1 2/11 As a decimal 1 2/11 = 1.181818.... (Recurring to infinity).
what is the surface area of the retangular priamd 13 13 13
11 by 13 what???I will assume you mean 11 inches by 13 inches.11'' * 13''= 143 in2======
The area of triangle is : 71.5
If you are talking about 11 by 13 inches the answer is 11x13=141.
incomplete question 11 what times 13 what if inches then 11 x 13 = 143 square inches
Area = pi*6.52 = 132.732 square feet to 3 decimal places
13 in decimal = 13.0