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Elza [17]
3 years ago
13

In the figure,(p)parallel(q) and (r)pparallel(s). Match each pair of congruent angles with the reason for their congruency.

Mathematics
2 answers:
klio [65]3 years ago
7 0
Corresponding angles for parallel lines r and s cut by transversal q. Corresponding angles are congruent angles. 
1 and 9
2 and 10
3 and 11
4 and 12

Corresponding angles for parallel lines p and q cut by transversal s. Corresponding angles are congruent angles. 
11 and 15
9 and 13
12 and 16
10 and 14

Corresponding angles for parallel lines p and q cut by transversal r. Corresponding angles are congruent angles. 
1 and 5
3 and 7
2 and 6
4 and 8

Linear pair theorem. These 2 angles are equal to 180°
∠1 + ∠2 = 180
∠3 + ∠4 = 180
∠9 + ∠10 = 180
∠11 + ∠12 = 180
∠5 + ∠6 = 180
∠7 + ∠8 = 180
∠13 + ∠14 = 180
∠15 + ∠16 = 180
∠1 + ∠3 = 180
∠2 + ∠4 = 180
∠9 + ∠11 =180
∠10 + ∠12 = 180
∠5 + ∠7 = 180
∠6 + ∠8 = 180
∠13 + ∠15 = 180
∠14 + ∠16 = 180

Vertical angles theorem. Vertical angles are congruent.
1 and 4
2 and 3
9 and 12 
10 and 11
5 and 8
6 and 7
13 and 16
14 and 15



Mariana [72]3 years ago
5 0

Answer:

∠1≅∠5 by Corresponding angles for parallel line p and q cut by traversal r

∠5≅∠13 by Corresponding angles for parallel line r and s cut by traversal q

∠10≅∠14 by Corresponding angles for parallel line p and q cut by traversal s

∠13≅∠16 by Vertical angles theorem

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noname [10]

Answer:

Y = 2

E = 9

A = 1

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Step-by-step explanation:

2222 - 999 + 11 - 0 =1234

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3 years ago
Perimeter is the distance around a figure or region.<br> a. true<br> b. false
makkiz [27]
A. True

The sum of the distances round the shape is the Perimeter.
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10n -11 =3 + 4n + 6n​
MrRissso [65]

Answer:

10n -11 =3 + 4n + 6n​

10n - 10n -11 =3-3 + 4n + 6n​

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-14 = n

Step-by-step explanation:

10n -11 =3 + 4n + 6n​

10n - 10n -11 =3-3 + 4n + 6n​

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2 years ago
Find the equation of the line through point (3,2) and perpendicular to 3x + 5y = 15
Vesnalui [34]

Answer:

y=5/3x-3

Step-by-step explanation:

first, let's put 3x+5y=15 into y=mx+b form

move 3x to the other side

5y=-3x+15

divide by 5

y=-3/5x+3

now, perendicular lines have slopes that are negative and reciprocal.

With our new equation we can automatically find the slope, which would be 5/3.

now, we need to find b

plug the points (3,2) into y=5/3x+b

2=5/3(3)+b

2=5+b

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so that means that our equation will now be

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3 years ago
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kkurt [141]

Answer:

20 X 40 = 800 (split into 2 fourths) = 40

Step-by-step explanation

20 x 40 = 800;

For 2 necklaces she can split 800 into fourths.

800 - 40 = 80. (1 fourth)

80 - 40 = 40 (2 fourths)

40 - 40 = 0 (3 fourths)

She could split 800 into 2 fourths to get a number more than 0 and less then 42.

The best estimate of rounding 42 is 40. Because 40 is closer to 42.

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3 years ago
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