Answer:
<h2>12.56 m</h2>Step-by-step explanation:
The formula of a circumference of a circle:
<em>d</em> - <em>diameter</em>
<em />
We have <em>d = 4m</em>.
Substitute:
Use 3.14 for π:
I picked the second one, was I correct?
2 answers:
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Answer:
Total volume of the figure = 1067 cm³
Step-by-step explanation:
Volume of the composite figure = Volume of the rectangular prism + Volume of the square pyramid
Volume of the rectangular prism = Length × Width × Height
= 10 × 10 × 7
= 700 cm³
Volume of the square pyramid =
= × height
=
= 366.67 cm³
Total volume of the composite figure = 700 + 366.67 = 1066.67 cm³
≈ 1067 cm³