2 years ago

PLS HELP WILL GIVE BRAINLIEST ANSWER AND LOTS OF POINTS

1 answer:

Brut [27]2 years ago

3 0

Answer: 1:(12^2*10.8)/3=518.4 2: v = 392(3.1415)/3 = 410.5 3: (Πr^2*h) Π*9*15=424

Step-by-step explanation:

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NARA [144]

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2 years ago

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larisa [96]

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3 years ago

xeze [42]

Answer:

28 units³

Step-by-step explanation:

The volume (V) of the prism is calculated as

V = Al ( A is the area of end face and l is the length )

Here A = $\frac{21}{2}$ and l = $\frac{8}{3}$ , thus

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= $\frac{7}{1}$ × $\frac{4}{1}$ = 7 × 4 = 28 units³

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3 years ago