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WITCHER [35]
3 years ago
11

FREE BRAINLIEST How many rotational symmetries does this figure have?

Mathematics
2 answers:
Veronika [31]3 years ago
5 0

Answer:

○ 2

Step-by-step explanation:

Bogdan [553]3 years ago
3 0

Answer :

○ 2

:)

◊ YusuCr ◊

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An expression that equals 24 and has to include an exponent
steposvetlana [31]
4^{2}+ 8
5 0
4 years ago
Read 2 more answers
Find the distance between the points (7,7) and (1,9).
katovenus [111]

Answer: 6.32455532034

Step-by-step explanation:

36+4

40

square root of 40 is 6.32455532034

4 0
3 years ago
What fraction of 45 m is 180 cm​
vaieri [72.5K]

Answer:

1/25

Step-by-step explanation:

45 meters is equal to 4500cm

4500 divide by 180 is 25

So, 180 is equal to one over 25

(One twenty-fifth)

6 0
3 years ago
In ΔHIJ, h = 40 cm, ∠J=20° and ∠H=93°. Find the length of j, to the nearest centimeter.
DaniilM [7]

Given:

In ΔHIJ, h = 40 cm, ∠J=20° and ∠H=93°.

To find:

The length of j, to the nearest centimeter.

Solution:

According to Law of sine,

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

In ΔHIJ, using law of sine, we get

\dfrac{j}{\sin J}=\dfrac{h}{\sin H}

\dfrac{j}{\sin (20^\circ)}=\dfrac{40}{\sin (93^\circ)}}

j=\dfrac{40\times \sin (20^\circ)}{\sin (93^\circ)}}

On further simplification, we get

j=\dfrac{40\times 0.34202}{0.99863}

j=\dfrac{13.6808}{0.99863}

j=13.69958

Approximate the value to the nearest centimeter.

j\approx 14

Therefore, the length of j is 14 cm.

7 0
3 years ago
The perimeter of a triangle is 34cm. What are the lengths of the sides if the first side is twice the length of the second side
dybincka [34]

Answer:

8sm, 16sm, 10sm

Step-by-step explanation:

the first side of the triangle: x

the other side of the triangle: 2x

the third side of the triangle: x+2

the perimeter of the triangle: x+2x+x+2=34

4x=32

x=8

2*8=16

8+2=10

4 0
2 years ago
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