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3 years ago

11

Characteristics of a Circle

1 answer:

amid [387]3 years ago

3 0

Answer:

I know that line AC is the diameter.

I know that line OD is the radius.

However, I am unsure what line BC is supposed to represent.

Sorry, hope this helps :)

Step-by-step explanation:

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A rectangular patio has a length of 12 1/2 feet and an area of 108 1/8 square feet what is the width of the patio

Ivenika [448]

Length of the rectangular patio = $12\frac{1}{2}=\frac{25}{2}$

Let the width of the patio be = x

Area of the patio is given as = $108\frac{1}{8}=\frac{865}{8}$

As the area of a rectangle is = length*width, so

$\frac{865}{8}=(\frac{25}{2})x$

$\frac{865}{8}*\frac{2}{25}=x$

x= $\frac{1730}{200}$ = $\frac{173}{20}$

x = $8\frac{13}{20}$

Hence, width of the patio is $8\frac{13}{20}$ feet.

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Alex17521 [72]

Answer:

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3 years ago

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Lie on a strought

Elenna [48]

Answer:

25°

Step-by-step explanation:

In $\triangle BCD$

BD = CD .....(Given)

$\implies m\angle CBD = m\angle BCD$

(By isosceles triangle theorem)

$m\angle BCD = 60\degree....(given)$

$\implies m\angle CBD = 60\degree$

Now,

$m\angle CBD + m\angle ABD= 180\degree$

(Angles in linear pair)

$\implies 60\degree + m\angle ABD= 180\degree$

$\implies m\angle ABD= 180\degree - 60\degree$

$\implies m\angle ABD= 120\degree$

Next, in $\triangle ABD$

$m\angle BAD + m\angle ABD+ m\angle ADB= 180\degree$

(By interior angle sum postulate of a triangle)

$\implies 35\degree + 120\degree+ x= 180\degree$

$\implies 155\degree+ x= 180\degree$

$\implies x= 180\degree-155\degree$

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3 years ago

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