3 years ago

I need this answer asap!!!

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

6 0

Answer: The answer is A

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What is the volume of a cone that has a radius of 4 units and a height of 6 units?

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yes

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Look at the figure shown below: Which step should be used to prove that point A is equidistant from points C and B?

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Combine points A with C and A with B. Consider ΔABD and ΔACD:

1. AD is common side, then AD\cong AD;

2. CD\cong BD - given in the diagram;

3. \angle ADB\cong \angle ADC .

By SAS Postulate, \triangle ABD\cong \triangle ACD . Congruent triangles have congruent corresponding sides and congruent corresponding angles, so AC\cong AB .

From this proof you can see that correct choice is option D (In triangles ABD and ACD, two sides and an included angle are equal.)

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4 years ago

a stainless steel garbage can is in the shape of a right circular cylinder. If its radius is 6 inches and its volume is 864 pi c

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$\bf \textit{volume of a cylinder}=v=\pi r^2 h\qquad 
\begin{cases}
r=radius\\
h=height\\
---------\\
r=6\\
v=864\pi^3
\end{cases}
\\\\\\
864\pi^3=\pi\cdot 6^2\cdot h\impliedby \textit{solve for "h"}$