(6 ft 10 in) + (8 ft 9 in) = (6 + 8) ft + (10 + 9) in = 14 ft 19 in But 19 in = 1 ft 7 in, so (14 ft 19 in) = 15 ft 7 in
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4,7,10 inches is not a right triangle. The others are because they obey Pythagorean theorem and are 3,4,5 right triangles - the hypotenuse is the square root of the sum of the others sides squared
A shape does not have a sum. The angles of a shape have a sum, the lengths of its sides have a sum, the number of its diagonals are a sum, but the shape itself certainly does not have any sum!
Their sum is 1.Their sum is 1.Their sum is 1.Their sum is 1.
sum=360
Sum is an answer to an addition problem.