Answer:
The answer is: πr² = 22/7×(2.1)² = 13.86 cm²
Answer: m= -1/2
Step-by-step explanation:
Hope the gif loads to help you but if not thats the answer.
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Answer: 28 ft
Multiply 3,4, and 7 to get 84 ft cubed. To find the volume of a pyramid, divide by 3 to get 28 ft.