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noname [10]
3 years ago
10

What is the perimeter of semicircle with radius of 3cm

Mathematics
2 answers:
EleoNora [17]3 years ago
8 0

Answer:

15.42 cm

Step-by-step explanation:

perimeter of semicircle = πr + 2r

=3.14*3  + 2*3

=9.42 + 6

=15.42

sergiy2304 [10]3 years ago
4 0

Answer:

198/7

Step-by-step explanation:

perimeter of semi circle= (pi) x r + d

                                     = 22/7 x 3 + 6

                                     = 198 cm

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soldi70 [24.7K]

The two triangles are similar by SSA similarity. Option B is correct.

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

If the ratio of the sides are same as well as the one angle is common between the two triangles then in that condition there will be SSA similarity.

From the triangle ABC and DEC

The ratio of the sides is;

\rm  \frac{10}{12}= \frac{8}{9.6} \\\\ \frac{5}{6}= \frac{5}{6}

One angle c is common in the two triangles.

The two triangles are similar by SSA similarity.

Hence, option B is correct.

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brainly.com/question/2773823

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3 0
2 years ago
A plumber charges $25 for a service call plus $50 per hour for service. Write a linear equation in slope-intercept form to repre
Reptile [31]

Answer:

y= $50x + $25

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3 years ago
A triangle has side lengths of
alexandr402 [8]

Answer:

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PLEASE HELP! I don’t understand how to do it :(
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r/s ×3

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