DECA is putting in a t-shirt order for the school. At the Nike store you can get 3 t-shirts for $25.00. At the
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Answer:
Step-by-step explanation:
Mr. Johnson is constructing a square table for his classroom. He positioned his design on a coordinate grid, shown in the attached picture. Mr. Johnson will need to put a brace through each diagonal of the table in order to secure the table's stability.
Now, if Johnson use more than one brace then we have to prove that the braces will intersect at a right angle. From the figure we have to prove the diagonals AC and BD are at right angle.
To prove this first find the slope of both diagonals:
AC= y2-y1/ x2-x1
AC= -5- 2/ 4-(-3)
AC= -7/7
AC = -1
BD = y2-y1/ x2-x1
BD= 2-(-5)/ 4-(-3)
BD = 7/7
BD= 1
Thus the product of both the slopes = -1*1 = -1
AC and BD are perpendicular
The slopes of perpendicular lines in a coordinate plane are opposite reciprocals of each other.
Braces which put through each diagonal intersect at right angle and the table will stable....
