3 years ago

Can you help me on that

1 answer:

Dimas [21]3 years ago

3 0

With factoring it??

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tino4ka555 [31]

Answer:

1.2 cm

Step-by-step explanation:

Quadrilateral circumscribing a circle is a quadrangle whose sides are tangent to a circle inside it (see attached diagram).

The area of circumscribed quadrilateral is

$A=p\cdot r,$

where $p=\dfrac{a+b+c+d}{2}$ is semi-perimeter and r is radius of inscribed circle.

In your case, $A=12\ cm^2$

If a quadrilateral is circumscribed over the circle, then the sum of opposite sides is equal, so

$a+c=b+d=10\ cm,$

$P=10+10=20\ cm\\ \\p=\dfrac{20}{2}=10\ cm$

Now

$12=10\cdot r\Rightarrow r=\dfrac{12}{10}=1.2\ cm$

8 0

3 years ago

djverab [1.8K]

The answer would be -20

3 0

3 years ago

Dvinal [7]

There’s no answer choices but i got log(28•3^1/3)

5 0

3 years ago

musickatia [10]

The answer is the option D because the formula is y upon x

3 0

4 years ago

Kamila [148]

Answer : 0.6

hope this helps !! ^-^

6 0

3 years ago