From one corner diagonally to the opposite corner produces two right triangles with side lengths 4 inches and 8 inches, and hypotenuse 4 (sq rt 5) inches, and area of 16 square inches.
Drawing diagonals from both sets of opposite corners produces four isosceles triangles, two with bases of 8 inches/height 2 inches and two with bases of 4 inches/ height 4 inches, all with the same area of 8 square inches.
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You get two congruent right triangles when you divide a rectangle diagonally. (This is one way to show that the area of each of those triangles is 1/2*base*height. Rectangle area = (4 in)(8 in) = 32 in2. Triangle area = (1/2)(4 in)(8 in) = 16 in2.)
You get two congruent right triangles when you divide a rectangle diagonally. (This is one way to show that the area of each of those triangles is 1/2*base*height. Rectangle area = (4 in)(8 in) = 32 in2. Triangle area = (1/2)(4 in)(8 in) = 16 in2.)
A 2 inch by 4 inch, but they are not congruent because they aren't the same size.A congruent shape means the same size and same shape.
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Find the Greatest Common Factor of the numerator and denominator, then divide the numerator by the GCF, and that is the new numerator. Divide the denominator by the GCF, and that is the new denominator.