montesa0910
04.11.2019 •
Mathematics
What is the measure of angle abc in the figure below?
a: 15
b: 30
c: 45
d: 90
e: 15
f: cannot be determined
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Ответ:
Ответ:
∠BDC = 45° (Alternate angles)
∠DBC = 180° - 90° - 45° = 45°
∠ABC = 45° + 45° = 90°
Answer is D.
Ответ:
Volume:Area of the base times the heigh of cube