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ValentinkaMS [17]
2 years ago
8

The length of the second side of a triangle is 2 inches less than the length of the first side.The length of the third side is 1

2 inches more than the length of the first side.the perimeter of the triangle is 73 inches.Find the length of each side of the triangle.
Mathematics
1 answer:
Luda [366]2 years ago
6 0

Answer:

The lenght of the tree sides of the triangle are:

first side: 21 inches

second side: 19 inches

third side: 33 inches

Step-by-step explanation:

a + b + c = 73

b = a - 2

c = a + 12

a = leght of the first side of the triangle

b = lenght of the second side of the triangle

c = lenght of the third side of the triangle

then:

a + (a-2) + (a+12) = 73

3a - 2 + 12 = 73

3a + 10 = 73

3a = 73 - 10

3a = 63

a = 63/3

a = 21 inches

b = a - 2

b = 21 - 2

b = 19 inches

c = a + 12

c = 21 + 12

c = 33 inches

Check:

21 + 19 + 33 = 73

related task:

https://brainly.lat/tarea/1029254

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Answer:

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Step-by-step explanation:

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Therefore area of parallelogram is,

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So A=15\times 7.5=112.5cm^2

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