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4 years ago

BRAINLIESTTT ASAP! PLEASE HELP ME :)

Mathematics

2 answers:

ELEN [110]4 years ago

5 0

Answer:

B. False; to be concave the angles cannot be congruent.

Step-by-step explanation:

Regular Polygons are never concave.

enyata [817]4 years ago

3 0

Answer:

The answer is B

Step-by-step explanation:

In order for a polygon to be regular, all angles <u>must be congruent</u>.

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A semicircle has the radius of 2 4/5. What is its area? leave your answers in term of π

Ratling [72]

Answer:

$11\dfrac{13}{25}\pi$

Step-by-step explanation:

r = Radius of semicircle = $2\dfrac{4}{5}=\dfrac{24}{5}\ \text{units}$

Area of semicircle is given by

$A=\dfrac{\pi r^2}{2}\\\Rightarrow A=\dfrac{\pi \left(\dfrac{24}{5}\right)^2}{2}\\\Rightarrow A=\dfrac{288}{25}\pi=11\dfrac{13}{25}\pi\ \text{sq. units}$

The area of the semicircle is $11\dfrac{13}{25}\pi\ \text{sq. units}$ .

4 0

3 years ago

Pleaseeeee help :'))))

jeka57 [31]

Answer:

The answer is

x= -35

Step-by-step explanation:

x/5= -7

x= -35. :-)

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3 years ago

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eimsori [14]

The answer to this is 5.

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3 years ago

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Ill give you brainiest

White raven [17]

Answer:

D and C

Step-by-step explanation:

because EF is diameter

then radius diameter divided by 2

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3 years ago

There are 132 people seated in the school auditorium for an assembly. There are 6 rows in the auditorium, each with the same nu

Damm [24]

You do 132 ÷ 6 which is 22, so that is the answer. This is because if you the auditorium is filled, then there are a total of 132 seats. If there are 6 rows, then there have to be 22 seats each row to make 132 seats. I hope this helps!

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3 years ago

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