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3 years ago

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Mathematics

2 answers:

evablogger [386]3 years ago

5 0

${ \bf{ \underbrace{Given :}}}$

Radius of the circle = 9 m.

${ \bf{ \underbrace{To\:find:}}}$

The circumference of the circle.

${ \bf{ \underbrace{Solution :}}}$

A. C = 18 π ✅

$\sf\orange{The\:circumference \:of\:the\:circle\:is\:18\:π\:m.}$

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}$

We know that,

$\sf\purple{Circumference\:of\:a\:circle \:=\:2Πr }$

$= 2 \: \pi \times 9 \: m \\ = 18 \: \pi \: m$

Therefore, the circumference of the circle is 18 π m.

$\large\mathfrak{{\pmb{\underline{\blue{Happy\:learning }}{\blue{!}}}}}$

andre [41]3 years ago

3 0

Answer:

Step-by-step explanation:

circumference of circle=2πr

=2*π*9

=18π m

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lyudmila [28]

The question is incomplete. Here is the complete question:

What is the volume of this triangular prism?

Base length = 22.4 cm

Height = 18.1 cm

Length = 28 cm

A) 313.6 cm3

B) 506.8 cm3

C) 5,676.16 cm3

D) 11,352.32 cm3

Answer:

$V=5,676.16\ cm^3$

Step-by-step explanation:

Given:

The base of the prism is triangular with base length equal to 22.4 cm and height 18.1 cm. The length of the prism is 28 cm.

The volume of a triangular prism is defined by the formula:

$V=(Area\ of\ base)\times (length)$

Here, the base is triangular and the area of a triangle is:

$A=\frac{1}{2}base \times height$

Therefore, the volume of the triangular prism is given as:

$V=\frac{1}{2}(base\times height\times length)$

Now, plug in the given values and solve for the volume 'V'.

$V=\frac{1}{2}(22.4\ cm\times 18.1\ cm\times 28\ cm)\\\\V=\frac{1}{2}(11,352.32\ cm^3)\\\\V=5,676.16\ cm^3$

Therefore, the correct answer is the third option.

$V=5,676.16\ cm^3$

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Read 2 more answers

Please help me because I don't understand how to do it.:)

shutvik [7]

Answer:

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