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kari74 [83]
3 years ago
6

If ABCD is a parallelogram, find the measure of angle C

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
8 0

Answer:

Angle A and Angle C are opposite to each other and in a parallelogram opposite angles are equal

Step-by-step explanation:

So Angle A - Angle C = 0

Triss [41]3 years ago
8 0

Answer:

47

Step-by-step explanation:

Angles B and D are equal.

Angles A and C are equal.

Anges in parallelogram add up to 360°

5x+38=8x-19

57=3x

x=19

B=(5×19)+38=133°

D=(8×19)-19=133°

A+C=360-133-133

A+C=94

A and C are the same so you can do 94/2=

Therefore, both angles A and C are 47 :D

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3 years ago
What is the value of x? Please explain the step process to getting to the conclusion.
olga55 [171]

First, split the triangle into half.

So the angle 38 becomes 38/2=19.

So we know two angles in the triangle:

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180 - (90+19) = 71

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3 years ago
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Which expression is the same as 10÷4?
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During a fundraiser, Ms. Dawson’s class raised $560, which is 25% more than Mr. Casey’s class raised. How much money did Mr. Cas
evablogger [386]

Answer:

$420

Step-by-step explanation:

To work this out you would need to find the 25% decrease of 560. To do this you would first divide 25 by 100, which gives you 0.25. Then you would minus 0.25 from 1, which gives you 0.75. This is because when finding percentage decreases you would first have to convert it into a decimal. Then you would have to minus it from 1 , to make sure that it will be a 25% decrease not a 75% decrease. Then you would multiply 560 by 0.75, which gives you 420.

1) Divide 25 by 100.

25/100=0.25

2) Minus 0.25 from 1.

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3) Multiply 560 by 0.75.

560*0.75=$420

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A raiz da equação 2x - 1 = - 3, é: ( U = Z)
motikmotik

Answer:

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Step-by-step explanation:

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