math
posted by jana jenny .
A student is building a diamondshaped kite in his science class. To construct the kite, the student has assembled four congruent right triangle pieces of fabric to form the diamond. The diagonals of the kite are perpendicular to one another. If angle ABC on the side of the kite is 200402020100_files/i0310000.jpg, what will angle BCD on the tail end of the kite be?

math 
Steve
If the four triangles are congruent, the kite must be square.
So, all the triangles have angles of 45,45,90 degrees.
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