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tamaranim1 [39]
3 years ago
9

2. Which angle in the figure below measures 90 degrees? Explain why. (3 points)

Mathematics
1 answer:
Dominik [7]3 years ago
6 0

Answer:

<BKC

Step-by-step explanation:

m<DKC = 20°

m<BKD = 70°

m<BKC = m<DKC + m<BKD (angle addition postulate)

m<BKC = 20° + 70° (Substitution)

m<BKC = 90°.

Therefore, the angle that equals 90° in the given figure is angle BKC.

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