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deff fn [24]
3 years ago
8

The angles in a triangle are in the ratio of 5:7:8. Find the measure of each angle.

Mathematics
1 answer:
hammer [34]3 years ago
5 0
In a triangle, the three interior angles always add to 180°

5x + 7x + 8x = 180
20x = 180
x = 180/20
x = 9

m∠1 = 5x = 5*9 = 45°

m∠2 = 7x = 7*9 = 63°

m∠3 = 8x = 8*9 = 72°

Answer:
45°, 63° and 72°
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natta225 [31]

we have

2x-2y=6 ------> equation 1

4x+4y=28 ------> equation 2

Multiply by 2 the equation 1

4x-4y=12 ------> equation 3

Sum equation 2 and equation 3

4x+4y=28\\ 4x-4y=12\\ ------\\ 8x=40\\ x=40/8\\ x=5

Substitute the value of x in the equation 2

4x+4y=28

4*5+4y=28\\ 4y=28-20\\ 4y=8\\ y=8/4\\y=2

therefore

the answer is the option B

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balandron [24]

Answer:

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7 0
2 years ago
George walks to a friend's house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 mete
Hunter-Best [27]

Answer:

The velocity in meter per seconds is 76.9m/s

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Answer: 2538

Step-by-step explanation:

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