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4 years ago

-(19-2a^2)-57+4g^2 simplify, and please include step by steps thanks

Mathematics

1 answer:

Katyanochek1 [597]4 years ago

3 0

Answer:

2(-17+a^2+2g^2)

Step-by-step explanation:

step1

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3 years ago

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Find the Volume of the cylinder

JulsSmile [24]

$\huge{\underline{\underline{\sf{\red{Required\:Solution:-}}}}}$

<h3>Volume of cylinder B is greater.</h3>

<h2>For Cylinder A :-</h2>

$\displaystyle{\sf{\:\:\:\:\:\:\:\:r(radius)\:=\: \dfrac{7}{2}cm}}$

$\displaystyle{\sf{\:\:\:\:\:\:\:\:h(height)\:=\: 14cm}}$

$\displaystyle{\boxed{\sf{ Volume\:=\: \pi r^{2}h}}}$

Substitute the values and simplify it

$\displaystyle{\sf{\:\:\:\:\:\:\:\:\:\:= \dfrac{22}{7} \times \bigg(\frac{7}{2}^{2} \bigg)\times14}}$

$\large{\boxed{\sf{\orange{= 539 cm^{3}}}}}$

<h2>For Cylinder B:-</h2>

$\displaystyle{\sf{\:\:\:\:\:\:\:\:r(radius)\:=\: \dfrac{14}{2}cm=7cm}}$

$\displaystyle{\sf{\:\:\:\:\:\:\:\:h(height)\:=\: 7cm}}$

$\displaystyle{\boxed{\sf{ Volume\:=\: \pi r^{2}h}}}$

Substitute the values and simplify it.

$\displaystyle{\sf{\:\:\:\:\:\:\:\:\:\:= \dfrac{22}{7} \times (7^{2})\times7}}$

$\large{\boxed{\sf{\green{= 1078 cm^{3}}}}}$

<h3>By actual calculation of volumes of both the cylinders, it is verified that the volumes of cylinder B is greater.</h3>

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