Answer:
d/2=r
Step-by-step explanation:
radius is half the diameter
42 is then answer, 7x7x7x7x7x7=42
Hope it helps
Brainliest please
Answer:
20.04 units
Step-by-step explanation:
The diagram shows right triangle ABC. Use the definition of the cosine:

D because a has to be younger than 18 and it has to be positive because we are never a negative age. do you understand when i mean?
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