To determine the coordinates of point D in trapezium ABCD, you'd need the coordinates of points A, B, and C, as well as the condition that either side AB or side CD is parallel to the other. If you have specific coordinates for A, B, and C, you can find D by ensuring that the slopes of the parallel sides are equal. For a precise answer, please provide the coordinates of points A, B, and C.
A B . . D C . . Parallelogram ABCD.
To solve the equation ( abcd \times 9 = dcba ), we can represent ( abcd ) as ( 1000a + 100b + 10c + d ) and ( dcba ) as ( 1000d + 100c + 10b + a ). This leads to the equation ( 9(1000a + 100b + 10c + d) = 1000d + 100c + 10b + a ). Through trial and error, you can find that ( a = 1 ), ( b = 0 ), ( c = 8 ), and ( d = 9 ) satisfy the equation, giving ( abc = 108 ) and ( d = 9 ).
Define abcd!
Two trapeziums and four rectangles.
A trapezium. A trapezium. A trapezium. A trapezium.
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In order to answer that, I need to know the position of ABCD with respect tothe x-axis before the reflection process begins.But wait! What light through yonder window breaks ? ! On second thought, maybe I don't.If D is the point (x, y) before the reflection, then D' is the point (x, -y) after it.
Clockwise from 'a' it will be at the bottom right hand side and it will have 4 equal sides with 2 equal opposite acute angles and 2 equal opposite obtuse angles.
The perimeter of a trapezium is the summation of all its sides. So, if a, b, c and d were the sides of the trapezium, then the perimeter would be a plus b plus c plus d.
(-3,1) progress learning/ usatestprep
a and d
add all sides together :D
A B . . D C . . Parallelogram ABCD.
type in: "ABCD" in the input line.
To solve the equation ( abcd \times 9 = dcba ), we can represent ( abcd ) as ( 1000a + 100b + 10c + d ) and ( dcba ) as ( 1000d + 100c + 10b + a ). This leads to the equation ( 9(1000a + 100b + 10c + d) = 1000d + 100c + 10b + a ). Through trial and error, you can find that ( a = 1 ), ( b = 0 ), ( c = 8 ), and ( d = 9 ) satisfy the equation, giving ( abc = 108 ) and ( d = 9 ).
Define abcd!
In parallelogram ABCD, AC=BD. Is ABCD a rectangle?