3 years ago

+4 What is the solution of 2x-15 - <0? • -45x51 0 -4 -45 -4

Mathematics

1 answer:

soldier1979 [14.2K]3 years ago

7 0

Answer:

alto 5.340040 to costco

Step-by-step explanation:

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Find the perimeter of this semi-circle with diameter, d = 18cm. Give your answer as an expression in terms of pi.

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The perimeter of the given semi-circle in terms of $\pi$ is

$P=9\pi$ cm

Step-by-step explanation:

Given that the diameter of the semi-circle is 18cm

That is d=18cm

Therefore radius $r=\frac{d}{2}$

$r=\frac{18}{2}$

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To find the perimeter of the semi-circle :

perimeter of the semi-circle $P=\pi r$

$P=\pi\times 9$ cm (where r=9 cm )

$P=9\pi$ cm

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