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gtnhenbr [62]
3 years ago
12

Which of the following rigid motions is used to prove that vertical angle pairs are congruent? (1) a rotation by 90 about the i

ntersection of the lines creating the vertical angles (2) a rotation by 180 about the intersection of the lines creating the vertical angles (3) a translation in the direction of one of the lines creating the vertical angles (4) a reflection across one of the lines creating the vertical angles
Mathematics
1 answer:
liberstina [14]3 years ago
3 0

Answer:

(2) a rotation by 180^{0} about the intersection of the lines creating the vertical angles.

Step-by-step explanation:

Rigid motion are a set of transformation procedure to change the dimension, orientation or size of a given figure or shape. It involves rotation, translation, reflection and dilation.

Vertical angles are formed when two straight lines intersect to form angles. But two opposite angles called vertical angles are equal. To prove that vertical angles are equal; a rotation by 180^{0} about the intersection of the lines creating the vertical angles is required.

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A 1-pound box of candy cost $4.00. What was the cost<br> per ounce (1 pound 16 ounces)?
vodka [1.7K]

Answer:

I think its $1 every 4 oz

Step-by-step explanation:

Basing this off that 4 * 4 is 16

5 0
3 years ago
Question 4 0
BartSMP [9]

Answer:

Fail to reject the null hypothesis because 0.15>0.05

. There is not convincing evidence that defensive players can bench-press more weight, on average, than offensive players.

Step-by-step explanation:

Since P>a we can not reject the null hypothesis. We cannot conclude the alternative hypothesis in context.

5 0
2 years ago
Akira receives a prize at a science fair for having the most informative project. Her trophy is in the shape of a
AlekseyPX

Answer:

45 square inches

Step-by-step explanation:

Akira receives the prize at the science fair for having the most informative project her trophy is in the shape of a square pyramid and is covered in shiny gold foil how much gold foil did it take to cover the trophy including the bottom

Total surface  =  surface area of the base square + area of 4 triangles

Calculate the surface area of the base square

surface area of the square =  s^2

where s= side length

s=3 in

The surface area of the base  =s^2

=3^2

= 9 square inches

The surface area of the side triangles

The area of the triangle = (1/2)* side length* slant height

Side length=3 in

Slant height=6 in

substituting the values,

The area of the triangle =1/2*3*6

= 18/2

= 9 square inches

There are 4 triangles

The area of 4 triangles  =  4 x 9  

= 36 square inches

Therefore,

Total surface  =  surface area of the base square + area of 4 triangles

=  9 + 36

= 45 square inches

6 0
2 years ago
Please answer this question now
vichka [17]

Answer:

320 sq in

Step-by-step explanation:

4(1/2*8*16) + (8*8)

= 4(64) + (64)

= 5(64)

= 320

6 0
2 years ago
Need help please and thank​
denis-greek [22]

Answer:

A

Step-by-step explanation:

PEMDAS means always do parenthesis first, which means subtract 10-6=4

6 0
2 years ago
Read 2 more answers
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