The answer is C. 1/2
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Answer:
Step-by-step explanation:
Diameter = 14 cm
r = 14/2 = 7 cm
Outer surface area of hemisphere =2πr²
= 2π*7*7
= 98π cm²
Answer:
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
If you think about it, the pattern is: Multiply by 4.
Yes, his estimate is reasonable. But only if Michael is less than 2 years old.