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Viktor [21]
3 years ago
7

A student is building a diamond-shaped kite in his science class. To construct the kite, the student has assembled four congruen

t 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 2004-02-02-01-00_files/i0310000.jpg, what will angle BCD on the tail end of the kite be? 

Mathematics
1 answer:
Ahat [919]3 years ago
3 0
Δ CBE is a right triangle.
∠EBC = 1/2 ∠ ABC = 1/2 · 116° = 58°
∠EBC + ∠ECB = 90°
∠ECB = 90° - 58° = 32°
∠DCB = 2 · 32° = 64°
Answer: c ) 64
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